Home / 1,436,237.60-2,154,672.30-425,438.60

Finding the Fourth Proportional to 1,436,237.60, 2,154,672.30 and 425,438.60

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Solution

The fourth proportional to 1,436,237.60, 2,154,672.30 and 425,438.60 is: 638,251.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,237.60 : 2,154,672.30 = 425,438.60 : x
  2. Step 2: Convert to fraction form
    1,436,237.60/2,154,672.30 = 425,438.60/x
  3. Step 3: Cross multiply
    1,436,237.60x = 2,154,672.30 × 425,438.60
  4. Step 4: Simplify right side
    1,436,237.60x = 916,680,766,770.78
  5. Step 5: Solve for x
    x = 916,680,766,770.78/1,436,237.60
  6. Step 6: Final answer
    x = 638,251.48

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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.