Home / 1,129,751.66-1,694,641.17-331,049.40

Finding the Fourth Proportional to 1,129,751.66, 1,694,641.17 and 331,049.40

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Solution

The fourth proportional to 1,129,751.66, 1,694,641.17 and 331,049.40 is: 496,578.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,751.66 : 1,694,641.17 = 331,049.40 : x
  2. Step 2: Convert to fraction form
    1,129,751.66/1,694,641.17 = 331,049.40/x
  3. Step 3: Cross multiply
    1,129,751.66x = 1,694,641.17 × 331,049.40
  4. Step 4: Simplify right side
    1,129,751.66x = 561,009,942,543.80
  5. Step 5: Solve for x
    x = 561,009,942,543.80/1,129,751.66
  6. Step 6: Final answer
    x = 496,578.11

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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.