Home / 1,170,081.70-1,755,122.55-981,124.90

Finding the Fourth Proportional to 1,170,081.70, 1,755,122.55 and 981,124.90

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Solution

The fourth proportional to 1,170,081.70, 1,755,122.55 and 981,124.90 is: 1,471,687.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,170,081.70 : 1,755,122.55 = 981,124.90 : x
  2. Step 2: Convert to fraction form
    1,170,081.70/1,755,122.55 = 981,124.90/x
  3. Step 3: Cross multiply
    1,170,081.70x = 1,755,122.55 × 981,124.90
  4. Step 4: Simplify right side
    1,170,081.70x = 1,721,994,436,356.50
  5. Step 5: Solve for x
    x = 1,721,994,436,356.50/1,170,081.70
  6. Step 6: Final answer
    x = 1,471,687.35

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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.