Home / 1,129,895-1,694,856.30-331,192.70

Finding the Fourth Proportional to 1,129,895, 1,694,856.30 and 331,192.70

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Solution

The fourth proportional to 1,129,895, 1,694,856.30 and 331,192.70 is: 496,793.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,895 : 1,694,856.30 = 331,192.70 : x
  2. Step 2: Convert to fraction form
    1,129,895/1,694,856.30 = 331,192.70/x
  3. Step 3: Cross multiply
    1,129,895x = 1,694,856.30 × 331,192.70
  4. Step 4: Simplify right side
    1,129,895x = 561,324,034,109.01
  5. Step 5: Solve for x
    x = 561,324,034,109.01/1,129,895
  6. Step 6: Final answer
    x = 496,793.10

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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.