Home / 2,560,982.70-3,841,668.45-763,725.90

Finding the Fourth Proportional to 2,560,982.70, 3,841,668.45 and 763,725.90

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Solution

The fourth proportional to 2,560,982.70, 3,841,668.45 and 763,725.90 is: 1,145,646.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,560,982.70 : 3,841,668.45 = 763,725.90 : x
  2. Step 2: Convert to fraction form
    2,560,982.70/3,841,668.45 = 763,725.90/x
  3. Step 3: Cross multiply
    2,560,982.70x = 3,841,668.45 × 763,725.90
  4. Step 4: Simplify right side
    2,560,982.70x = 2,933,981,694,477.86
  5. Step 5: Solve for x
    x = 2,933,981,694,477.86/2,560,982.70
  6. Step 6: Final answer
    x = 1,145,646.82

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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.