Home / 1,212,451.20-1,673,179.20-703,451.52

Finding the Fourth Proportional to 1,212,451.20, 1,673,179.20 and 703,451.52

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Solution

The fourth proportional to 1,212,451.20, 1,673,179.20 and 703,451.52 is: 970,761.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,451.20 : 1,673,179.20 = 703,451.52 : x
  2. Step 2: Convert to fraction form
    1,212,451.20/1,673,179.20 = 703,451.52/x
  3. Step 3: Cross multiply
    1,212,451.20x = 1,673,179.20 × 703,451.52
  4. Step 4: Simplify right side
    1,212,451.20x = 1,177,000,451,472.38
  5. Step 5: Solve for x
    x = 1,177,000,451,472.38/1,212,451.20
  6. Step 6: Final answer
    x = 970,761.09

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Double scale
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1.5x scale

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.