Home / 1,177.36-1,763.62-559.18

Finding the Fourth Proportional to 1,177.36, 1,763.62 and 559.18

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Solution

The fourth proportional to 1,177.36, 1,763.62 and 559.18 is: 837.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177.36 : 1,763.62 = 559.18 : x
  2. Step 2: Convert to fraction form
    1,177.36/1,763.62 = 559.18/x
  3. Step 3: Cross multiply
    1,177.36x = 1,763.62 × 559.18
  4. Step 4: Simplify right side
    1,177.36x = 986,181.03
  5. Step 5: Solve for x
    x = 986,181.03/1,177.36
  6. Step 6: Final answer
    x = 837.62

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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.