Home / 1,310,171.92-1,962,108.52-747,500.56

Finding the Fourth Proportional to 1,310,171.92, 1,962,108.52 and 747,500.56

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Solution

The fourth proportional to 1,310,171.92, 1,962,108.52 and 747,500.56 is: 1,119,454.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,310,171.92 : 1,962,108.52 = 747,500.56 : x
  2. Step 2: Convert to fraction form
    1,310,171.92/1,962,108.52 = 747,500.56/x
  3. Step 3: Cross multiply
    1,310,171.92x = 1,962,108.52 × 747,500.56
  4. Step 4: Simplify right side
    1,310,171.92x = 1,466,677,217,480.77
  5. Step 5: Solve for x
    x = 1,466,677,217,480.77/1,310,171.92
  6. Step 6: Final answer
    x = 1,119,454.02

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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.