Home / 1,490,872.05-2,236,327.52-425,948.85

Finding the Fourth Proportional to 1,490,872.05, 2,236,327.52 and 425,948.85

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Solution

The fourth proportional to 1,490,872.05, 2,236,327.52 and 425,948.85 is: 638,928.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,490,872.05 : 2,236,327.52 = 425,948.85 : x
  2. Step 2: Convert to fraction form
    1,490,872.05/2,236,327.52 = 425,948.85/x
  3. Step 3: Cross multiply
    1,490,872.05x = 2,236,327.52 × 425,948.85
  4. Step 4: Simplify right side
    1,490,872.05x = 952,561,133,237.61
  5. Step 5: Solve for x
    x = 952,561,133,237.61/1,490,872.05
  6. Step 6: Final answer
    x = 638,928.83

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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.