Home / 1,180.20-1,769.08-632.23

Finding the Fourth Proportional to 1,180.20, 1,769.08 and 632.23

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Solution

The fourth proportional to 1,180.20, 1,769.08 and 632.23 is: 947.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180.20 : 1,769.08 = 632.23 : x
  2. Step 2: Convert to fraction form
    1,180.20/1,769.08 = 632.23/x
  3. Step 3: Cross multiply
    1,180.20x = 1,769.08 × 632.23
  4. Step 4: Simplify right side
    1,180.20x = 1,118,472.36
  5. Step 5: Solve for x
    x = 1,118,472.36/1,180.20
  6. Step 6: Final answer
    x = 947.70

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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.