Home / 1,000,142.82-1,380,201.50-541,257.46

Finding the Fourth Proportional to 1,000,142.82, 1,380,201.50 and 541,257.46

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Solution

The fourth proportional to 1,000,142.82, 1,380,201.50 and 541,257.46 is: 746,937.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,142.82 : 1,380,201.50 = 541,257.46 : x
  2. Step 2: Convert to fraction form
    1,000,142.82/1,380,201.50 = 541,257.46/x
  3. Step 3: Cross multiply
    1,000,142.82x = 1,380,201.50 × 541,257.46
  4. Step 4: Simplify right side
    1,000,142.82x = 747,044,358,178.19
  5. Step 5: Solve for x
    x = 747,044,358,178.19/1,000,142.82
  6. Step 6: Final answer
    x = 746,937.68

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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.