Home / 1,129,761.86-1,694,656.45-331,059.58

Finding the Fourth Proportional to 1,129,761.86, 1,694,656.45 and 331,059.58

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Solution

The fourth proportional to 1,129,761.86, 1,694,656.45 and 331,059.58 is: 496,593.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,761.86 : 1,694,656.45 = 331,059.58 : x
  2. Step 2: Convert to fraction form
    1,129,761.86/1,694,656.45 = 331,059.58/x
  3. Step 3: Cross multiply
    1,129,761.86x = 1,694,656.45 × 331,059.58
  4. Step 4: Simplify right side
    1,129,761.86x = 561,032,252,581.29
  5. Step 5: Solve for x
    x = 561,032,252,581.29/1,129,761.86
  6. Step 6: Final answer
    x = 496,593.37

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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.