Home / 1,224,957.60-1,690,446.24-681,143.04

Finding the Fourth Proportional to 1,224,957.60, 1,690,446.24 and 681,143.04

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Solution

The fourth proportional to 1,224,957.60, 1,690,446.24 and 681,143.04 is: 939,980.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,957.60 : 1,690,446.24 = 681,143.04 : x
  2. Step 2: Convert to fraction form
    1,224,957.60/1,690,446.24 = 681,143.04/x
  3. Step 3: Cross multiply
    1,224,957.60x = 1,690,446.24 × 681,143.04
  4. Step 4: Simplify right side
    1,224,957.60x = 1,151,435,690,870.17
  5. Step 5: Solve for x
    x = 1,151,435,690,870.17/1,224,957.60
  6. Step 6: Final answer
    x = 939,980.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.