Home / 1,386,251.10-2,079,376.65-439,695.90

Finding the Fourth Proportional to 1,386,251.10, 2,079,376.65 and 439,695.90

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Solution

The fourth proportional to 1,386,251.10, 2,079,376.65 and 439,695.90 is: 659,543.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,386,251.10 : 2,079,376.65 = 439,695.90 : x
  2. Step 2: Convert to fraction form
    1,386,251.10/2,079,376.65 = 439,695.90/x
  3. Step 3: Cross multiply
    1,386,251.10x = 2,079,376.65 × 439,695.90
  4. Step 4: Simplify right side
    1,386,251.10x = 914,293,387,560.74
  5. Step 5: Solve for x
    x = 914,293,387,560.74/1,386,251.10
  6. Step 6: Final answer
    x = 659,543.85

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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.