Home / 1,108,125.86-1,662,189.08-266,677.61

Finding the Fourth Proportional to 1,108,125.86, 1,662,189.08 and 266,677.61

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Solution

The fourth proportional to 1,108,125.86, 1,662,189.08 and 266,677.61 is: 400,016.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,125.86 : 1,662,189.08 = 266,677.61 : x
  2. Step 2: Convert to fraction form
    1,108,125.86/1,662,189.08 = 266,677.61/x
  3. Step 3: Cross multiply
    1,108,125.86x = 1,662,189.08 × 266,677.61
  4. Step 4: Simplify right side
    1,108,125.86x = 443,268,601,578.17
  5. Step 5: Solve for x
    x = 443,268,601,578.17/1,108,125.86
  6. Step 6: Final answer
    x = 400,016.48

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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.