Finding the Fourth Proportional to 1,068,029.11, 1,473,867.71 and 577,987.28
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Solution
The fourth proportional to 1,068,029.11, 1,473,867.71 and 577,987.28 is: 797,615.70
Step by Step Solution
- Step 1: Write the proportion equation
1,068,029.11 : 1,473,867.71 = 577,987.28 : x - Step 2: Convert to fraction form
1,068,029.11/1,473,867.71 = 577,987.28/x - Step 3: Cross multiply
1,068,029.11x = 1,473,867.71 × 577,987.28 - Step 4: Simplify right side
1,068,029.11x = 851,876,781,413.39 - Step 5: Solve for x
x = 851,876,781,413.39/1,068,029.11 - Step 6: Final answer
x = 797,615.70
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.