Home / 1,108,165.85-1,662,249.23-266,717.60

Finding the Fourth Proportional to 1,108,165.85, 1,662,249.23 and 266,717.60

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Solution

The fourth proportional to 1,108,165.85, 1,662,249.23 and 266,717.60 is: 400,076.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,165.85 : 1,662,249.23 = 266,717.60 : x
  2. Step 2: Convert to fraction form
    1,108,165.85/1,662,249.23 = 266,717.60/x
  3. Step 3: Cross multiply
    1,108,165.85x = 1,662,249.23 × 266,717.60
  4. Step 4: Simplify right side
    1,108,165.85x = 443,351,125,227.45
  5. Step 5: Solve for x
    x = 443,351,125,227.45/1,108,165.85
  6. Step 6: Final answer
    x = 400,076.51

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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.