Home / 1,439,156.76-2,159,371.80-755,882.88

Finding the Fourth Proportional to 1,439,156.76, 2,159,371.80 and 755,882.88

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Solution

The fourth proportional to 1,439,156.76, 2,159,371.80 and 755,882.88 is: 1,134,158.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,156.76 : 2,159,371.80 = 755,882.88 : x
  2. Step 2: Convert to fraction form
    1,439,156.76/2,159,371.80 = 755,882.88/x
  3. Step 3: Cross multiply
    1,439,156.76x = 2,159,371.80 × 755,882.88
  4. Step 4: Simplify right side
    1,439,156.76x = 1,632,232,175,174.78
  5. Step 5: Solve for x
    x = 1,632,232,175,174.78/1,439,156.76
  6. Step 6: Final answer
    x = 1,134,158.71

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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.