Home / 1,224,998.50-1,690,517.26-673,738.16

Finding the Fourth Proportional to 1,224,998.50, 1,690,517.26 and 673,738.16

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Solution

The fourth proportional to 1,224,998.50, 1,690,517.26 and 673,738.16 is: 929,769.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,998.50 : 1,690,517.26 = 673,738.16 : x
  2. Step 2: Convert to fraction form
    1,224,998.50/1,690,517.26 = 673,738.16/x
  3. Step 3: Cross multiply
    1,224,998.50x = 1,690,517.26 × 673,738.16
  4. Step 4: Simplify right side
    1,224,998.50x = 1,138,965,976,563.56
  5. Step 5: Solve for x
    x = 1,138,965,976,563.56/1,224,998.50
  6. Step 6: Final answer
    x = 929,769.28

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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.