Home / 993,191.60-1,489,787.40-922,332.80

Finding the Fourth Proportional to 993,191.60, 1,489,787.40 and 922,332.80

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Solution

The fourth proportional to 993,191.60, 1,489,787.40 and 922,332.80 is: 1,383,499.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,191.60 : 1,489,787.40 = 922,332.80 : x
  2. Step 2: Convert to fraction form
    993,191.60/1,489,787.40 = 922,332.80/x
  3. Step 3: Cross multiply
    993,191.60x = 1,489,787.40 × 922,332.80
  4. Step 4: Simplify right side
    993,191.60x = 1,374,079,784,046.72
  5. Step 5: Solve for x
    x = 1,374,079,784,046.72/993,191.60
  6. Step 6: Final answer
    x = 1,383,499.20

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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.