Home / 1,108,140.13-1,662,210.55-266,691.88

Finding the Fourth Proportional to 1,108,140.13, 1,662,210.55 and 266,691.88

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Solution

The fourth proportional to 1,108,140.13, 1,662,210.55 and 266,691.88 is: 400,037.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,108,140.13 : 1,662,210.55 = 266,691.88 : x
  2. Step 2: Convert to fraction form
    1,108,140.13/1,662,210.55 = 266,691.88/x
  3. Step 3: Cross multiply
    1,108,140.13x = 1,662,210.55 × 266,691.88
  4. Step 4: Simplify right side
    1,108,140.13x = 443,298,056,535.33
  5. Step 5: Solve for x
    x = 443,298,056,535.33/1,108,140.13
  6. Step 6: Final answer
    x = 400,037.91

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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.