Home / 1,469,680.08-2,028,275.66-825,142.56

Finding the Fourth Proportional to 1,469,680.08, 2,028,275.66 and 825,142.56

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Solution

The fourth proportional to 1,469,680.08, 2,028,275.66 and 825,142.56 is: 1,138,762.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,469,680.08 : 2,028,275.66 = 825,142.56 : x
  2. Step 2: Convert to fraction form
    1,469,680.08/2,028,275.66 = 825,142.56/x
  3. Step 3: Cross multiply
    1,469,680.08x = 2,028,275.66 × 825,142.56
  4. Step 4: Simplify right side
    1,469,680.08x = 1,673,616,570,478.09
  5. Step 5: Solve for x
    x = 1,673,616,570,478.09/1,469,680.08
  6. Step 6: Final answer
    x = 1,138,762.51

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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.