Home / 1,126,422.10-1,689,633.15-327,729.70

Finding the Fourth Proportional to 1,126,422.10, 1,689,633.15 and 327,729.70

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Solution

The fourth proportional to 1,126,422.10, 1,689,633.15 and 327,729.70 is: 491,594.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,422.10 : 1,689,633.15 = 327,729.70 : x
  2. Step 2: Convert to fraction form
    1,126,422.10/1,689,633.15 = 327,729.70/x
  3. Step 3: Cross multiply
    1,126,422.10x = 1,689,633.15 × 327,729.70
  4. Step 4: Simplify right side
    1,126,422.10x = 553,742,965,359.56
  5. Step 5: Solve for x
    x = 553,742,965,359.56/1,126,422.10
  6. Step 6: Final answer
    x = 491,594.55

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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.