Home / 871,611.20-1,202,966.40-726,186.72

Finding the Fourth Proportional to 871,611.20, 1,202,966.40 and 726,186.72

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Solution

The fourth proportional to 871,611.20, 1,202,966.40 and 726,186.72 is: 1,002,256.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    871,611.20 : 1,202,966.40 = 726,186.72 : x
  2. Step 2: Convert to fraction form
    871,611.20/1,202,966.40 = 726,186.72/x
  3. Step 3: Cross multiply
    871,611.20x = 1,202,966.40 × 726,186.72
  4. Step 4: Simplify right side
    871,611.20x = 873,578,224,286.21
  5. Step 5: Solve for x
    x = 873,578,224,286.21/871,611.20
  6. Step 6: Final answer
    x = 1,002,256.77

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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.