Home / 1,086.60-1,499.26-733.18

Finding the Fourth Proportional to 1,086.60, 1,499.26 and 733.18

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Solution

The fourth proportional to 1,086.60, 1,499.26 and 733.18 is: 1,011.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086.60 : 1,499.26 = 733.18 : x
  2. Step 2: Convert to fraction form
    1,086.60/1,499.26 = 733.18/x
  3. Step 3: Cross multiply
    1,086.60x = 1,499.26 × 733.18
  4. Step 4: Simplify right side
    1,086.60x = 1,099,230.22
  5. Step 5: Solve for x
    x = 1,099,230.22/1,086.60
  6. Step 6: Final answer
    x = 1,011.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.