Home / 1,022,723.38-1,534,306.50-391,637.20

Finding the Fourth Proportional to 1,022,723.38, 1,534,306.50 and 391,637.20

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Solution

The fourth proportional to 1,022,723.38, 1,534,306.50 and 391,637.20 is: 587,540.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,723.38 : 1,534,306.50 = 391,637.20 : x
  2. Step 2: Convert to fraction form
    1,022,723.38/1,534,306.50 = 391,637.20/x
  3. Step 3: Cross multiply
    1,022,723.38x = 1,534,306.50 × 391,637.20
  4. Step 4: Simplify right side
    1,022,723.38x = 600,891,501,601.80
  5. Step 5: Solve for x
    x = 600,891,501,601.80/1,022,723.38
  6. Step 6: Final answer
    x = 587,540.59

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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.