Home / 1,219,512.13-1,682,882.06-703,287.79

Finding the Fourth Proportional to 1,219,512.13, 1,682,882.06 and 703,287.79

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Solution

The fourth proportional to 1,219,512.13, 1,682,882.06 and 703,287.79 is: 970,511.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,512.13 : 1,682,882.06 = 703,287.79 : x
  2. Step 2: Convert to fraction form
    1,219,512.13/1,682,882.06 = 703,287.79/x
  3. Step 3: Cross multiply
    1,219,512.13x = 1,682,882.06 × 703,287.79
  4. Step 4: Simplify right side
    1,219,512.13x = 1,183,550,397,084.40
  5. Step 5: Solve for x
    x = 1,183,550,397,084.40/1,219,512.13
  6. Step 6: Final answer
    x = 970,511.38

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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.