Home / 1,173.42-1,619.06-675.95

Finding the Fourth Proportional to 1,173.42, 1,619.06 and 675.95

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Solution

The fourth proportional to 1,173.42, 1,619.06 and 675.95 is: 932.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173.42 : 1,619.06 = 675.95 : x
  2. Step 2: Convert to fraction form
    1,173.42/1,619.06 = 675.95/x
  3. Step 3: Cross multiply
    1,173.42x = 1,619.06 × 675.95
  4. Step 4: Simplify right side
    1,173.42x = 1,094,392.13
  5. Step 5: Solve for x
    x = 1,094,392.13/1,173.42
  6. Step 6: Final answer
    x = 932.65

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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.