Home / 1,217,750.70-1,680,454.62-673,909.44

Finding the Fourth Proportional to 1,217,750.70, 1,680,454.62 and 673,909.44

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Solution

The fourth proportional to 1,217,750.70, 1,680,454.62 and 673,909.44 is: 929,972.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,750.70 : 1,680,454.62 = 673,909.44 : x
  2. Step 2: Convert to fraction form
    1,217,750.70/1,680,454.62 = 673,909.44/x
  3. Step 3: Cross multiply
    1,217,750.70x = 1,680,454.62 × 673,909.44
  4. Step 4: Simplify right side
    1,217,750.70x = 1,132,474,231,909.61
  5. Step 5: Solve for x
    x = 1,132,474,231,909.61/1,217,750.70
  6. Step 6: Final answer
    x = 929,972.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.