Home / 1,465,687.80-2,198,458.80-755,787.60

Finding the Fourth Proportional to 1,465,687.80, 2,198,458.80 and 755,787.60

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Solution

The fourth proportional to 1,465,687.80, 2,198,458.80 and 755,787.60 is: 1,133,643.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,687.80 : 2,198,458.80 = 755,787.60 : x
  2. Step 2: Convert to fraction form
    1,465,687.80/2,198,458.80 = 755,787.60/x
  3. Step 3: Cross multiply
    1,465,687.80x = 2,198,458.80 × 755,787.60
  4. Step 4: Simplify right side
    1,465,687.80x = 1,661,567,900,150.88
  5. Step 5: Solve for x
    x = 1,661,567,900,150.88/1,465,687.80
  6. Step 6: Final answer
    x = 1,133,643.81

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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.