Home / 1,177.14-1,766.67-629.73

Finding the Fourth Proportional to 1,177.14, 1,766.67 and 629.73

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Solution

The fourth proportional to 1,177.14, 1,766.67 and 629.73 is: 945.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177.14 : 1,766.67 = 629.73 : x
  2. Step 2: Convert to fraction form
    1,177.14/1,766.67 = 629.73/x
  3. Step 3: Cross multiply
    1,177.14x = 1,766.67 × 629.73
  4. Step 4: Simplify right side
    1,177.14x = 1,112,525.10
  5. Step 5: Solve for x
    x = 1,112,525.10/1,177.14
  6. Step 6: Final answer
    x = 945.11

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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.