Home / 1,344,381.60-2,016,572.40-871,600.80

Finding the Fourth Proportional to 1,344,381.60, 2,016,572.40 and 871,600.80

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Solution

The fourth proportional to 1,344,381.60, 2,016,572.40 and 871,600.80 is: 1,307,401.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,381.60 : 2,016,572.40 = 871,600.80 : x
  2. Step 2: Convert to fraction form
    1,344,381.60/2,016,572.40 = 871,600.80/x
  3. Step 3: Cross multiply
    1,344,381.60x = 2,016,572.40 × 871,600.80
  4. Step 4: Simplify right side
    1,344,381.60x = 1,757,646,117,097.92
  5. Step 5: Solve for x
    x = 1,757,646,117,097.92/1,344,381.60
  6. Step 6: Final answer
    x = 1,307,401.20

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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.