Home / 1,129,892.03-1,694,851.84-331,189.73

Finding the Fourth Proportional to 1,129,892.03, 1,694,851.84 and 331,189.73

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Solution

The fourth proportional to 1,129,892.03, 1,694,851.84 and 331,189.73 is: 496,788.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,892.03 : 1,694,851.84 = 331,189.73 : x
  2. Step 2: Convert to fraction form
    1,129,892.03/1,694,851.84 = 331,189.73/x
  3. Step 3: Cross multiply
    1,129,892.03x = 1,694,851.84 × 331,189.73
  4. Step 4: Simplify right side
    1,129,892.03x = 561,317,520,643.55
  5. Step 5: Solve for x
    x = 561,317,520,643.55/1,129,892.03
  6. Step 6: Final answer
    x = 496,788.63

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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.