Home / 1,065,370.20-1,469,828.88-629,696.31

Finding the Fourth Proportional to 1,065,370.20, 1,469,828.88 and 629,696.31

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Solution

The fourth proportional to 1,065,370.20, 1,469,828.88 and 629,696.31 is: 868,755.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,370.20 : 1,469,828.88 = 629,696.31 : x
  2. Step 2: Convert to fraction form
    1,065,370.20/1,469,828.88 = 629,696.31/x
  3. Step 3: Cross multiply
    1,065,370.20x = 1,469,828.88 × 629,696.31
  4. Step 4: Simplify right side
    1,065,370.20x = 925,545,822,067.43
  5. Step 5: Solve for x
    x = 925,545,822,067.43/1,065,370.20
  6. Step 6: Final answer
    x = 868,755.13

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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.