Home / 1,126,080.14-1,689,120.20-284,631.89

Finding the Fourth Proportional to 1,126,080.14, 1,689,120.20 and 284,631.89

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Solution

The fourth proportional to 1,126,080.14, 1,689,120.20 and 284,631.89 is: 426,947.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,080.14 : 1,689,120.20 = 284,631.89 : x
  2. Step 2: Convert to fraction form
    1,126,080.14/1,689,120.20 = 284,631.89/x
  3. Step 3: Cross multiply
    1,126,080.14x = 1,689,120.20 × 284,631.89
  4. Step 4: Simplify right side
    1,126,080.14x = 480,777,467,229.16
  5. Step 5: Solve for x
    x = 480,777,467,229.16/1,126,080.14
  6. Step 6: Final answer
    x = 426,947.83

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Double scale
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1.5x scale

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.