Home / 728,411.10-1,092,616.65-681,755.10

Finding the Fourth Proportional to 728,411.10, 1,092,616.65 and 681,755.10

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Solution

The fourth proportional to 728,411.10, 1,092,616.65 and 681,755.10 is: 1,022,632.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,411.10 : 1,092,616.65 = 681,755.10 : x
  2. Step 2: Convert to fraction form
    728,411.10/1,092,616.65 = 681,755.10/x
  3. Step 3: Cross multiply
    728,411.10x = 1,092,616.65 × 681,755.10
  4. Step 4: Simplify right side
    728,411.10x = 744,896,973,482.42
  5. Step 5: Solve for x
    x = 744,896,973,482.42/728,411.10
  6. Step 6: Final answer
    x = 1,022,632.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.