Home / 1,123,257.60-1,684,893.60-449,395.20

Finding the Fourth Proportional to 1,123,257.60, 1,684,893.60 and 449,395.20

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Solution

The fourth proportional to 1,123,257.60, 1,684,893.60 and 449,395.20 is: 674,095.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,123,257.60 : 1,684,893.60 = 449,395.20 : x
  2. Step 2: Convert to fraction form
    1,123,257.60/1,684,893.60 = 449,395.20/x
  3. Step 3: Cross multiply
    1,123,257.60x = 1,684,893.60 × 449,395.20
  4. Step 4: Simplify right side
    1,123,257.60x = 757,183,096,350.72
  5. Step 5: Solve for x
    x = 757,183,096,350.72/1,123,257.60
  6. Step 6: Final answer
    x = 674,095.68

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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.