Home / 1,522,107.51-2,100,542.31-868,720.43

Finding the Fourth Proportional to 1,522,107.51, 2,100,542.31 and 868,720.43

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Solution

The fourth proportional to 1,522,107.51, 2,100,542.31 and 868,720.43 is: 1,198,853.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,522,107.51 : 2,100,542.31 = 868,720.43 : x
  2. Step 2: Convert to fraction form
    1,522,107.51/2,100,542.31 = 868,720.43/x
  3. Step 3: Cross multiply
    1,522,107.51x = 2,100,542.31 × 868,720.43
  4. Step 4: Simplify right side
    1,522,107.51x = 1,824,784,003,930.08
  5. Step 5: Solve for x
    x = 1,824,784,003,930.08/1,522,107.51
  6. Step 6: Final answer
    x = 1,198,853.56

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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.