Home / 1,170,072.45-1,755,108.68-981,115.65

Finding the Fourth Proportional to 1,170,072.45, 1,755,108.68 and 981,115.65

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Solution

The fourth proportional to 1,170,072.45, 1,755,108.68 and 981,115.65 is: 1,471,673.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,072.45 : 1,755,108.68 = 981,115.65 : x
  2. Step 2: Convert to fraction form
    1,170,072.45/1,755,108.68 = 981,115.65/x
  3. Step 3: Cross multiply
    1,170,072.45x = 1,755,108.68 × 981,115.65
  4. Step 4: Simplify right side
    1,170,072.45x = 1,721,964,588,493.26
  5. Step 5: Solve for x
    x = 1,721,964,588,493.26/1,170,072.45
  6. Step 6: Final answer
    x = 1,471,673.48

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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.