Home / 1,581,381.39-2,372,217.91-516,429.03

Finding the Fourth Proportional to 1,581,381.39, 2,372,217.91 and 516,429.03

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Solution

The fourth proportional to 1,581,381.39, 2,372,217.91 and 516,429.03 is: 774,691.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,581,381.39 : 2,372,217.91 = 516,429.03 : x
  2. Step 2: Convert to fraction form
    1,581,381.39/2,372,217.91 = 516,429.03/x
  3. Step 3: Cross multiply
    1,581,381.39x = 2,372,217.91 × 516,429.03
  4. Step 4: Simplify right side
    1,581,381.39x = 1,225,082,192,918.86
  5. Step 5: Solve for x
    x = 1,225,082,192,918.86/1,581,381.39
  6. Step 6: Final answer
    x = 774,691.17

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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.