Home / 1,189,523.07-1,639,279.22-1,167,662.79

Finding the Fourth Proportional to 1,189,523.07, 1,639,279.22 and 1,167,662.79

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Solution

The fourth proportional to 1,189,523.07, 1,639,279.22 and 1,167,662.79 is: 1,609,153.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,523.07 : 1,639,279.22 = 1,167,662.79 : x
  2. Step 2: Convert to fraction form
    1,189,523.07/1,639,279.22 = 1,167,662.79/x
  3. Step 3: Cross multiply
    1,189,523.07x = 1,639,279.22 × 1,167,662.79
  4. Step 4: Simplify right side
    1,189,523.07x = 1,914,125,341,775.91
  5. Step 5: Solve for x
    x = 1,914,125,341,775.91/1,189,523.07
  6. Step 6: Final answer
    x = 1,609,153.61

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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.