Home / 1,123,280.10-1,684,927.35-449,417.70

Finding the Fourth Proportional to 1,123,280.10, 1,684,927.35 and 449,417.70

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Solution

The fourth proportional to 1,123,280.10, 1,684,927.35 and 449,417.70 is: 674,129.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,280.10 : 1,684,927.35 = 449,417.70 : x
  2. Step 2: Convert to fraction form
    1,123,280.10/1,684,927.35 = 449,417.70/x
  3. Step 3: Cross multiply
    1,123,280.10x = 1,684,927.35 × 449,417.70
  4. Step 4: Simplify right side
    1,123,280.10x = 757,236,174,304.10
  5. Step 5: Solve for x
    x = 757,236,174,304.10/1,123,280.10
  6. Step 6: Final answer
    x = 674,129.43

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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.