Home / 1,226,493.76-1,840,046.82-427,786.78

Finding the Fourth Proportional to 1,226,493.76, 1,840,046.82 and 427,786.78

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Solution

The fourth proportional to 1,226,493.76, 1,840,046.82 and 427,786.78 is: 641,786.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,493.76 : 1,840,046.82 = 427,786.78 : x
  2. Step 2: Convert to fraction form
    1,226,493.76/1,840,046.82 = 427,786.78/x
  3. Step 3: Cross multiply
    1,226,493.76x = 1,840,046.82 × 427,786.78
  4. Step 4: Simplify right side
    1,226,493.76x = 787,147,704,177.04
  5. Step 5: Solve for x
    x = 787,147,704,177.04/1,226,493.76
  6. Step 6: Final answer
    x = 641,786.96

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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.