Home / 1,179.50-1,766.26-710.69

Finding the Fourth Proportional to 1,179.50, 1,766.26 and 710.69

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Solution

The fourth proportional to 1,179.50, 1,766.26 and 710.69 is: 1,064.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179.50 : 1,766.26 = 710.69 : x
  2. Step 2: Convert to fraction form
    1,179.50/1,766.26 = 710.69/x
  3. Step 3: Cross multiply
    1,179.50x = 1,766.26 × 710.69
  4. Step 4: Simplify right side
    1,179.50x = 1,255,263.32
  5. Step 5: Solve for x
    x = 1,255,263.32/1,179.50
  6. Step 6: Final answer
    x = 1,064.23

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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.