Home / 787,630.20-1,179,695.70-682,654.20

Finding the Fourth Proportional to 787,630.20, 1,179,695.70 and 682,654.20

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Solution

The fourth proportional to 787,630.20, 1,179,695.70 and 682,654.20 is: 1,022,464.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,630.20 : 1,179,695.70 = 682,654.20 : x
  2. Step 2: Convert to fraction form
    787,630.20/1,179,695.70 = 682,654.20/x
  3. Step 3: Cross multiply
    787,630.20x = 1,179,695.70 × 682,654.20
  4. Step 4: Simplify right side
    787,630.20x = 805,324,224,326.94
  5. Step 5: Solve for x
    x = 805,324,224,326.94/787,630.20
  6. Step 6: Final answer
    x = 1,022,464.89

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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.