Home / 1,150.06-1,587.12-626.13

Finding the Fourth Proportional to 1,150.06, 1,587.12 and 626.13

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Solution

The fourth proportional to 1,150.06, 1,587.12 and 626.13 is: 864.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,150.06 : 1,587.12 = 626.13 : x
  2. Step 2: Convert to fraction form
    1,150.06/1,587.12 = 626.13/x
  3. Step 3: Cross multiply
    1,150.06x = 1,587.12 × 626.13
  4. Step 4: Simplify right side
    1,150.06x = 993,743.45
  5. Step 5: Solve for x
    x = 993,743.45/1,150.06
  6. Step 6: Final answer
    x = 864.08

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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.