Home / 1,179.80-1,769.70-1,062.35

Finding the Fourth Proportional to 1,179.80, 1,769.70 and 1,062.35

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Solution

The fourth proportional to 1,179.80, 1,769.70 and 1,062.35 is: 1,593.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179.80 : 1,769.70 = 1,062.35 : x
  2. Step 2: Convert to fraction form
    1,179.80/1,769.70 = 1,062.35/x
  3. Step 3: Cross multiply
    1,179.80x = 1,769.70 × 1,062.35
  4. Step 4: Simplify right side
    1,179.80x = 1,880,040.80
  5. Step 5: Solve for x
    x = 1,880,040.80/1,179.80
  6. Step 6: Final answer
    x = 1,593.53

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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.