Finding the Fourth Proportional to 1,287,979.54, 1,929,695.95 and 781,512.02
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Solution
The fourth proportional to 1,287,979.54, 1,929,695.95 and 781,512.02 is: 1,170,888.61
Step by Step Solution
- Step 1: Write the proportion equation
1,287,979.54 : 1,929,695.95 = 781,512.02 : x - Step 2: Convert to fraction form
1,287,979.54/1,929,695.95 = 781,512.02/x - Step 3: Cross multiply
1,287,979.54x = 1,929,695.95 × 781,512.02 - Step 4: Simplify right side
1,287,979.54x = 1,508,080,568,268.06 - Step 5: Solve for x
x = 1,508,080,568,268.06/1,287,979.54 - Step 6: Final answer
x = 1,170,888.61
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