Home / 1,344,380.80-2,016,571.20-712,969.60

Finding the Fourth Proportional to 1,344,380.80, 2,016,571.20 and 712,969.60

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Solution

The fourth proportional to 1,344,380.80, 2,016,571.20 and 712,969.60 is: 1,069,454.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,344,380.80 : 2,016,571.20 = 712,969.60 : x
  2. Step 2: Convert to fraction form
    1,344,380.80/2,016,571.20 = 712,969.60/x
  3. Step 3: Cross multiply
    1,344,380.80x = 2,016,571.20 × 712,969.60
  4. Step 4: Simplify right side
    1,344,380.80x = 1,437,753,961,835.52
  5. Step 5: Solve for x
    x = 1,437,753,961,835.52/1,344,380.80
  6. Step 6: Final answer
    x = 1,069,454.40

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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.