Home / 1,129,773.60-1,694,893.64-331,081.20

Finding the Fourth Proportional to 1,129,773.60, 1,694,893.64 and 331,081.20

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Solution

The fourth proportional to 1,129,773.60, 1,694,893.64 and 331,081.20 is: 496,690.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,773.60 : 1,694,893.64 = 331,081.20 : x
  2. Step 2: Convert to fraction form
    1,129,773.60/1,694,893.64 = 331,081.20/x
  3. Step 3: Cross multiply
    1,129,773.60x = 1,694,893.64 × 331,081.20
  4. Step 4: Simplify right side
    1,129,773.60x = 561,147,420,203.57
  5. Step 5: Solve for x
    x = 561,147,420,203.57/1,129,773.60
  6. Step 6: Final answer
    x = 496,690.15

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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.