Home / 1,115,717.48-1,673,545.13-750,142.61

Finding the Fourth Proportional to 1,115,717.48, 1,673,545.13 and 750,142.61

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Solution

The fourth proportional to 1,115,717.48, 1,673,545.13 and 750,142.61 is: 1,125,193.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,717.48 : 1,673,545.13 = 750,142.61 : x
  2. Step 2: Convert to fraction form
    1,115,717.48/1,673,545.13 = 750,142.61/x
  3. Step 3: Cross multiply
    1,115,717.48x = 1,673,545.13 × 750,142.61
  4. Step 4: Simplify right side
    1,115,717.48x = 1,255,397,511,770.99
  5. Step 5: Solve for x
    x = 1,255,397,511,770.99/1,115,717.48
  6. Step 6: Final answer
    x = 1,125,193.01

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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.