Home / 1,123,358.80-1,685,038.20-449,544.10

Finding the Fourth Proportional to 1,123,358.80, 1,685,038.20 and 449,544.10

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Solution

The fourth proportional to 1,123,358.80, 1,685,038.20 and 449,544.10 is: 674,316.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,358.80 : 1,685,038.20 = 449,544.10 : x
  2. Step 2: Convert to fraction form
    1,123,358.80/1,685,038.20 = 449,544.10/x
  3. Step 3: Cross multiply
    1,123,358.80x = 1,685,038.20 × 449,544.10
  4. Step 4: Simplify right side
    1,123,358.80x = 757,498,981,084.62
  5. Step 5: Solve for x
    x = 757,498,981,084.62/1,123,358.80
  6. Step 6: Final answer
    x = 674,316.15

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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.