Home / 1,344,471.20-2,019,039.60-714,615.20

Finding the Fourth Proportional to 1,344,471.20, 2,019,039.60 and 714,615.20

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Solution

The fourth proportional to 1,344,471.20, 2,019,039.60 and 714,615.20 is: 1,073,162.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,471.20 : 2,019,039.60 = 714,615.20 : x
  2. Step 2: Convert to fraction form
    1,344,471.20/2,019,039.60 = 714,615.20/x
  3. Step 3: Cross multiply
    1,344,471.20x = 2,019,039.60 × 714,615.20
  4. Step 4: Simplify right side
    1,344,471.20x = 1,442,836,387,561.92
  5. Step 5: Solve for x
    x = 1,442,836,387,561.92/1,344,471.20
  6. Step 6: Final answer
    x = 1,073,162.73

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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.