Home / 1,188,639.43-1,782,958.97-557,553.24

Finding the Fourth Proportional to 1,188,639.43, 1,782,958.97 and 557,553.24

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Solution

The fourth proportional to 1,188,639.43, 1,782,958.97 and 557,553.24 is: 836,329.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,639.43 : 1,782,958.97 = 557,553.24 : x
  2. Step 2: Convert to fraction form
    1,188,639.43/1,782,958.97 = 557,553.24/x
  3. Step 3: Cross multiply
    1,188,639.43x = 1,782,958.97 × 557,553.24
  4. Step 4: Simplify right side
    1,188,639.43x = 994,094,551,904.45
  5. Step 5: Solve for x
    x = 994,094,551,904.45/1,188,639.43
  6. Step 6: Final answer
    x = 836,329.78

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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.