Home / 1,008,167.92-1,512,251.88-298,140.65

Finding the Fourth Proportional to 1,008,167.92, 1,512,251.88 and 298,140.65

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Solution

The fourth proportional to 1,008,167.92, 1,512,251.88 and 298,140.65 is: 447,210.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,167.92 : 1,512,251.88 = 298,140.65 : x
  2. Step 2: Convert to fraction form
    1,008,167.92/1,512,251.88 = 298,140.65/x
  3. Step 3: Cross multiply
    1,008,167.92x = 1,512,251.88 × 298,140.65
  4. Step 4: Simplify right side
    1,008,167.92x = 450,863,755,458.58
  5. Step 5: Solve for x
    x = 450,863,755,458.58/1,008,167.92
  6. Step 6: Final answer
    x = 447,210.97

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Double scale
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Similar ratio
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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.