Home / 1,471,167.99-2,206,711.10-391,689.81

Finding the Fourth Proportional to 1,471,167.99, 2,206,711.10 and 391,689.81

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Solution

The fourth proportional to 1,471,167.99, 2,206,711.10 and 391,689.81 is: 587,523.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471,167.99 : 2,206,711.10 = 391,689.81 : x
  2. Step 2: Convert to fraction form
    1,471,167.99/2,206,711.10 = 391,689.81/x
  3. Step 3: Cross multiply
    1,471,167.99x = 2,206,711.10 × 391,689.81
  4. Step 4: Simplify right side
    1,471,167.99x = 864,346,252,463.12
  5. Step 5: Solve for x
    x = 864,346,252,463.12/1,471,167.99
  6. Step 6: Final answer
    x = 587,523.83

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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.