Step 1:
The first step to converting 728162.418672 to a fraction is to re-write 728162.418672 in the form p/q where p and q are both positive integers. To start with, 728162.418672 can be written as simply 728162.418672/1 to technically be written as a fraction.
Step 2:
Next, we will count the number of fractional digits after the decimal point in 728162.418672, which in this case is 6. For however many digits after the decimal point there are, we will multiply the numerator and denominator of 728162.418672/1 each by 10 to the power of that many digits. So, in this case, we will multiply the numerator and denominator of 728162.418672/1 each by 1000000:
Step 3:
Now the last step is to simplify the fraction (if possible) by finding similar factors and cancelling them out, which leads to the following answer for 728162.418672 as a fraction:
728162/1 / 1