Home / 1,342,079.20-2,011,806.60-1,200,361.60

Finding the Fourth Proportional to 1,342,079.20, 2,011,806.60 and 1,200,361.60

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Solution

The fourth proportional to 1,342,079.20, 2,011,806.60 and 1,200,361.60 is: 1,799,368.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,079.20 : 2,011,806.60 = 1,200,361.60 : x
  2. Step 2: Convert to fraction form
    1,342,079.20/2,011,806.60 = 1,200,361.60/x
  3. Step 3: Cross multiply
    1,342,079.20x = 2,011,806.60 × 1,200,361.60
  4. Step 4: Simplify right side
    1,342,079.20x = 2,414,895,389,266.56
  5. Step 5: Solve for x
    x = 2,414,895,389,266.56/1,342,079.20
  6. Step 6: Final answer
    x = 1,799,368.76

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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.