Home / 1,520,674.34-2,279,793.61-762,126.42

Finding the Fourth Proportional to 1,520,674.34, 2,279,793.61 and 762,126.42

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Solution

The fourth proportional to 1,520,674.34, 2,279,793.61 and 762,126.42 is: 1,142,579.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,520,674.34 : 2,279,793.61 = 762,126.42 : x
  2. Step 2: Convert to fraction form
    1,520,674.34/2,279,793.61 = 762,126.42/x
  3. Step 3: Cross multiply
    1,520,674.34x = 2,279,793.61 × 762,126.42
  4. Step 4: Simplify right side
    1,520,674.34x = 1,737,490,940,422.86
  5. Step 5: Solve for x
    x = 1,737,490,940,422.86/1,520,674.34
  6. Step 6: Final answer
    x = 1,142,579.24

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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.