Home / 1,387,397.92-2,081,086.08-713,668

Finding the Fourth Proportional to 1,387,397.92, 2,081,086.08 and 713,668

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Solution

The fourth proportional to 1,387,397.92, 2,081,086.08 and 713,668 is: 1,070,496.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,397.92 : 2,081,086.08 = 713,668 : x
  2. Step 2: Convert to fraction form
    1,387,397.92/2,081,086.08 = 713,668/x
  3. Step 3: Cross multiply
    1,387,397.92x = 2,081,086.08 × 713,668
  4. Step 4: Simplify right side
    1,387,397.92x = 1,485,204,540,541.44
  5. Step 5: Solve for x
    x = 1,485,204,540,541.44/1,387,397.92
  6. Step 6: Final answer
    x = 1,070,496.44

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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.