Home / 984,787.20-1,359,164.88-743,342.40

Finding the Fourth Proportional to 984,787.20, 1,359,164.88 and 743,342.40

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Solution

The fourth proportional to 984,787.20, 1,359,164.88 and 743,342.40 is: 1,025,932.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,787.20 : 1,359,164.88 = 743,342.40 : x
  2. Step 2: Convert to fraction form
    984,787.20/1,359,164.88 = 743,342.40/x
  3. Step 3: Cross multiply
    984,787.20x = 1,359,164.88 × 743,342.40
  4. Step 4: Simplify right side
    984,787.20x = 1,010,324,883,894.91
  5. Step 5: Solve for x
    x = 1,010,324,883,894.91/984,787.20
  6. Step 6: Final answer
    x = 1,025,932.19

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.