Home / 1,179.20-1,769.64-950.85

Finding the Fourth Proportional to 1,179.20, 1,769.64 and 950.85

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Solution

The fourth proportional to 1,179.20, 1,769.64 and 950.85 is: 1,426.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179.20 : 1,769.64 = 950.85 : x
  2. Step 2: Convert to fraction form
    1,179.20/1,769.64 = 950.85/x
  3. Step 3: Cross multiply
    1,179.20x = 1,769.64 × 950.85
  4. Step 4: Simplify right side
    1,179.20x = 1,682,662.19
  5. Step 5: Solve for x
    x = 1,682,662.19/1,179.20
  6. Step 6: Final answer
    x = 1,426.95

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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.