Home / 1,176.57-1,764.89-560.34

Finding the Fourth Proportional to 1,176.57, 1,764.89 and 560.34

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Solution

The fourth proportional to 1,176.57, 1,764.89 and 560.34 is: 840.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176.57 : 1,764.89 = 560.34 : x
  2. Step 2: Convert to fraction form
    1,176.57/1,764.89 = 560.34/x
  3. Step 3: Cross multiply
    1,176.57x = 1,764.89 × 560.34
  4. Step 4: Simplify right side
    1,176.57x = 988,935.66
  5. Step 5: Solve for x
    x = 988,935.66/1,176.57
  6. Step 6: Final answer
    x = 840.52

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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.