Home / 1,170,083.70-1,755,125.55-981,126.90

Finding the Fourth Proportional to 1,170,083.70, 1,755,125.55 and 981,126.90

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Solution

The fourth proportional to 1,170,083.70, 1,755,125.55 and 981,126.90 is: 1,471,690.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,083.70 : 1,755,125.55 = 981,126.90 : x
  2. Step 2: Convert to fraction form
    1,170,083.70/1,755,125.55 = 981,126.90/x
  3. Step 3: Cross multiply
    1,170,083.70x = 1,755,125.55 × 981,126.90
  4. Step 4: Simplify right side
    1,170,083.70x = 1,722,000,889,982.30
  5. Step 5: Solve for x
    x = 1,722,000,889,982.30/1,170,083.70
  6. Step 6: Final answer
    x = 1,471,690.35

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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.