Home / 726,369.20-1,089,553.80-668,049.20

Finding the Fourth Proportional to 726,369.20, 1,089,553.80 and 668,049.20

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Solution

The fourth proportional to 726,369.20, 1,089,553.80 and 668,049.20 is: 1,002,073.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,369.20 : 1,089,553.80 = 668,049.20 : x
  2. Step 2: Convert to fraction form
    726,369.20/1,089,553.80 = 668,049.20/x
  3. Step 3: Cross multiply
    726,369.20x = 1,089,553.80 × 668,049.20
  4. Step 4: Simplify right side
    726,369.20x = 727,875,544,446.96
  5. Step 5: Solve for x
    x = 727,875,544,446.96/726,369.20
  6. Step 6: Final answer
    x = 1,002,073.80

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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.