Home / 1,002,709.92-1,505,019.87-622,479.90

Finding the Fourth Proportional to 1,002,709.92, 1,505,019.87 and 622,479.90

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Solution

The fourth proportional to 1,002,709.92, 1,505,019.87 and 622,479.90 is: 934,312.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,709.92 : 1,505,019.87 = 622,479.90 : x
  2. Step 2: Convert to fraction form
    1,002,709.92/1,505,019.87 = 622,479.90/x
  3. Step 3: Cross multiply
    1,002,709.92x = 1,505,019.87 × 622,479.90
  4. Step 4: Simplify right side
    1,002,709.92x = 936,844,618,175.61
  5. Step 5: Solve for x
    x = 936,844,618,175.61/1,002,709.92
  6. Step 6: Final answer
    x = 934,312.71

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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.