Home / 1,306,591.20-1,960,061.76-465,150.24

Finding the Fourth Proportional to 1,306,591.20, 1,960,061.76 and 465,150.24

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Solution

The fourth proportional to 1,306,591.20, 1,960,061.76 and 465,150.24 is: 697,787.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,306,591.20 : 1,960,061.76 = 465,150.24 : x
  2. Step 2: Convert to fraction form
    1,306,591.20/1,960,061.76 = 465,150.24/x
  3. Step 3: Cross multiply
    1,306,591.20x = 1,960,061.76 × 465,150.24
  4. Step 4: Simplify right side
    1,306,591.20x = 911,723,198,078.82
  5. Step 5: Solve for x
    x = 911,723,198,078.82/1,306,591.20
  6. Step 6: Final answer
    x = 697,787.65

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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.