Finding the Fourth Proportional to 1,340,753.26, 1,850,275.97 and 728,947.17
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Solution
The fourth proportional to 1,340,753.26, 1,850,275.97 and 728,947.17 is: 1,005,966.92
Step by Step Solution
- Step 1: Write the proportion equation
1,340,753.26 : 1,850,275.97 = 728,947.17 : x - Step 2: Convert to fraction form
1,340,753.26/1,850,275.97 = 728,947.17/x - Step 3: Cross multiply
1,340,753.26x = 1,850,275.97 × 728,947.17 - Step 4: Simplify right side
1,340,753.26x = 1,348,753,432,050.50 - Step 5: Solve for x
x = 1,348,753,432,050.50/1,340,753.26 - Step 6: Final answer
x = 1,005,966.92
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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.