Home / 1,580,387.12-2,369,620.68-619,691.72

Finding the Fourth Proportional to 1,580,387.12, 2,369,620.68 and 619,691.72

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Solution

The fourth proportional to 1,580,387.12, 2,369,620.68 and 619,691.72 is: 929,161.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,580,387.12 : 2,369,620.68 = 619,691.72 : x
  2. Step 2: Convert to fraction form
    1,580,387.12/2,369,620.68 = 619,691.72/x
  3. Step 3: Cross multiply
    1,580,387.12x = 2,369,620.68 × 619,691.72
  4. Step 4: Simplify right side
    1,580,387.12x = 1,468,434,311,838.31
  5. Step 5: Solve for x
    x = 1,468,434,311,838.31/1,580,387.12
  6. Step 6: Final answer
    x = 929,161.15

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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.