Home / 1,129,123.55-1,694,018.03-454,857.88

Finding the Fourth Proportional to 1,129,123.55, 1,694,018.03 and 454,857.88

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Solution

The fourth proportional to 1,129,123.55, 1,694,018.03 and 454,857.88 is: 682,420.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,129,123.55 : 1,694,018.03 = 454,857.88 : x
  2. Step 2: Convert to fraction form
    1,129,123.55/1,694,018.03 = 454,857.88/x
  3. Step 3: Cross multiply
    1,129,123.55x = 1,694,018.03 × 454,857.88
  4. Step 4: Simplify right side
    1,129,123.55x = 770,537,449,807.58
  5. Step 5: Solve for x
    x = 770,537,449,807.58/1,129,123.55
  6. Step 6: Final answer
    x = 682,420.85

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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.