Home / 1,011,473.85-1,517,205.11-412,432.68

Finding the Fourth Proportional to 1,011,473.85, 1,517,205.11 and 412,432.68

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Solution

The fourth proportional to 1,011,473.85, 1,517,205.11 and 412,432.68 is: 618,646.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,473.85 : 1,517,205.11 = 412,432.68 : x
  2. Step 2: Convert to fraction form
    1,011,473.85/1,517,205.11 = 412,432.68/x
  3. Step 3: Cross multiply
    1,011,473.85x = 1,517,205.11 × 412,432.68
  4. Step 4: Simplify right side
    1,011,473.85x = 625,744,967,564.83
  5. Step 5: Solve for x
    x = 625,744,967,564.83/1,011,473.85
  6. Step 6: Final answer
    x = 618,646.71

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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.