Home / 1,321,470.30-1,982,205.45-1,232,240.70

Finding the Fourth Proportional to 1,321,470.30, 1,982,205.45 and 1,232,240.70

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Solution

The fourth proportional to 1,321,470.30, 1,982,205.45 and 1,232,240.70 is: 1,848,361.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,470.30 : 1,982,205.45 = 1,232,240.70 : x
  2. Step 2: Convert to fraction form
    1,321,470.30/1,982,205.45 = 1,232,240.70/x
  3. Step 3: Cross multiply
    1,321,470.30x = 1,982,205.45 × 1,232,240.70
  4. Step 4: Simplify right side
    1,321,470.30x = 2,442,554,231,251.82
  5. Step 5: Solve for x
    x = 2,442,554,231,251.82/1,321,470.30
  6. Step 6: Final answer
    x = 1,848,361.05

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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.