Home / 1,126,952.62-1,689,796.52-486,856.90

Finding the Fourth Proportional to 1,126,952.62, 1,689,796.52 and 486,856.90

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Solution

The fourth proportional to 1,126,952.62, 1,689,796.52 and 486,856.90 is: 730,012.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,952.62 : 1,689,796.52 = 486,856.90 : x
  2. Step 2: Convert to fraction form
    1,126,952.62/1,689,796.52 = 486,856.90/x
  3. Step 3: Cross multiply
    1,126,952.62x = 1,689,796.52 × 486,856.90
  4. Step 4: Simplify right side
    1,126,952.62x = 822,689,098,445.85
  5. Step 5: Solve for x
    x = 822,689,098,445.85/1,126,952.62
  6. Step 6: Final answer
    x = 730,012.15

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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.