Home / 1,172,191.28-1,758,429.30-330,743.12

Finding the Fourth Proportional to 1,172,191.28, 1,758,429.30 and 330,743.12

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Solution

The fourth proportional to 1,172,191.28, 1,758,429.30 and 330,743.12 is: 496,154.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,191.28 : 1,758,429.30 = 330,743.12 : x
  2. Step 2: Convert to fraction form
    1,172,191.28/1,758,429.30 = 330,743.12/x
  3. Step 3: Cross multiply
    1,172,191.28x = 1,758,429.30 × 330,743.12
  4. Step 4: Simplify right side
    1,172,191.28x = 581,588,392,981.42
  5. Step 5: Solve for x
    x = 581,588,392,981.42/1,172,191.28
  6. Step 6: Final answer
    x = 496,154.85

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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.