Home / 1,129,774.60-1,694,895.14-331,082.20

Finding the Fourth Proportional to 1,129,774.60, 1,694,895.14 and 331,082.20

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Solution

The fourth proportional to 1,129,774.60, 1,694,895.14 and 331,082.20 is: 496,691.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,774.60 : 1,694,895.14 = 331,082.20 : x
  2. Step 2: Convert to fraction form
    1,129,774.60/1,694,895.14 = 331,082.20/x
  3. Step 3: Cross multiply
    1,129,774.60x = 1,694,895.14 × 331,082.20
  4. Step 4: Simplify right side
    1,129,774.60x = 561,149,611,720.51
  5. Step 5: Solve for x
    x = 561,149,611,720.51/1,129,774.60
  6. Step 6: Final answer
    x = 496,691.65

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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.