Home / 1,108,168.91-1,662,253.82-266,720.66

Finding the Fourth Proportional to 1,108,168.91, 1,662,253.82 and 266,720.66

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Solution

The fourth proportional to 1,108,168.91, 1,662,253.82 and 266,720.66 is: 400,081.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,168.91 : 1,662,253.82 = 266,720.66 : x
  2. Step 2: Convert to fraction form
    1,108,168.91/1,662,253.82 = 266,720.66/x
  3. Step 3: Cross multiply
    1,108,168.91x = 1,662,253.82 × 266,720.66
  4. Step 4: Simplify right side
    1,108,168.91x = 443,357,435,957.92
  5. Step 5: Solve for x
    x = 443,357,435,957.92/1,108,168.91
  6. Step 6: Final answer
    x = 400,081.10

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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.