Home / 1,129,747.21-1,694,634.53-331,044.96

Finding the Fourth Proportional to 1,129,747.21, 1,694,634.53 and 331,044.96

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Solution

The fourth proportional to 1,129,747.21, 1,694,634.53 and 331,044.96 is: 496,571.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,747.21 : 1,694,634.53 = 331,044.96 : x
  2. Step 2: Convert to fraction form
    1,129,747.21/1,694,634.53 = 331,044.96/x
  3. Step 3: Cross multiply
    1,129,747.21x = 1,694,634.53 × 331,044.96
  4. Step 4: Simplify right side
    1,129,747.21x = 561,000,220,198.47
  5. Step 5: Solve for x
    x = 561,000,220,198.47/1,129,747.21
  6. Step 6: Final answer
    x = 496,571.46

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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.