Home / 1,207,158.52-1,811,018.24-354,195.72

Finding the Fourth Proportional to 1,207,158.52, 1,811,018.24 and 354,195.72

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Solution

The fourth proportional to 1,207,158.52, 1,811,018.24 and 354,195.72 is: 531,375.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,158.52 : 1,811,018.24 = 354,195.72 : x
  2. Step 2: Convert to fraction form
    1,207,158.52/1,811,018.24 = 354,195.72/x
  3. Step 3: Cross multiply
    1,207,158.52x = 1,811,018.24 × 354,195.72
  4. Step 4: Simplify right side
    1,207,158.52x = 641,454,909,449.93
  5. Step 5: Solve for x
    x = 641,454,909,449.93/1,207,158.52
  6. Step 6: Final answer
    x = 531,375.87

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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.