Home / 1,180.26-1,770.36-522.12

Finding the Fourth Proportional to 1,180.26, 1,770.36 and 522.12

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Solution

The fourth proportional to 1,180.26, 1,770.36 and 522.12 is: 783.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180.26 : 1,770.36 = 522.12 : x
  2. Step 2: Convert to fraction form
    1,180.26/1,770.36 = 522.12/x
  3. Step 3: Cross multiply
    1,180.26x = 1,770.36 × 522.12
  4. Step 4: Simplify right side
    1,180.26x = 924,340.36
  5. Step 5: Solve for x
    x = 924,340.36/1,180.26
  6. Step 6: Final answer
    x = 783.17

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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.