Home / 1,011,286.24-1,517,371.68-479,187.52

Finding the Fourth Proportional to 1,011,286.24, 1,517,371.68 and 479,187.52

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Solution

The fourth proportional to 1,011,286.24, 1,517,371.68 and 479,187.52 is: 718,990.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,286.24 : 1,517,371.68 = 479,187.52 : x
  2. Step 2: Convert to fraction form
    1,011,286.24/1,517,371.68 = 479,187.52/x
  3. Step 3: Cross multiply
    1,011,286.24x = 1,517,371.68 × 479,187.52
  4. Step 4: Simplify right side
    1,011,286.24x = 727,105,572,257.43
  5. Step 5: Solve for x
    x = 727,105,572,257.43/1,011,286.24
  6. Step 6: Final answer
    x = 718,990.87

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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.