Home / 1,123,977.08-1,685,521.85-449,932.75

Finding the Fourth Proportional to 1,123,977.08, 1,685,521.85 and 449,932.75

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Solution

The fourth proportional to 1,123,977.08, 1,685,521.85 and 449,932.75 is: 674,721.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,977.08 : 1,685,521.85 = 449,932.75 : x
  2. Step 2: Convert to fraction form
    1,123,977.08/1,685,521.85 = 449,932.75/x
  3. Step 3: Cross multiply
    1,123,977.08x = 1,685,521.85 × 449,932.75
  4. Step 4: Simplify right side
    1,123,977.08x = 758,371,474,692.12
  5. Step 5: Solve for x
    x = 758,371,474,692.12/1,123,977.08
  6. Step 6: Final answer
    x = 674,721.47

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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.