Home / 782,337.20-1,176,011.40-726,868.40

Finding the Fourth Proportional to 782,337.20, 1,176,011.40 and 726,868.40

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Solution

The fourth proportional to 782,337.20, 1,176,011.40 and 726,868.40 is: 1,092,630.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,337.20 : 1,176,011.40 = 726,868.40 : x
  2. Step 2: Convert to fraction form
    782,337.20/1,176,011.40 = 726,868.40/x
  3. Step 3: Cross multiply
    782,337.20x = 1,176,011.40 × 726,868.40
  4. Step 4: Simplify right side
    782,337.20x = 854,805,524,699.76
  5. Step 5: Solve for x
    x = 854,805,524,699.76/782,337.20
  6. Step 6: Final answer
    x = 1,092,630.55

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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.