Home / 1,260,540.04-1,891,287.78-755,463.48

Finding the Fourth Proportional to 1,260,540.04, 1,891,287.78 and 755,463.48

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Solution

The fourth proportional to 1,260,540.04, 1,891,287.78 and 755,463.48 is: 1,133,481.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,260,540.04 : 1,891,287.78 = 755,463.48 : x
  2. Step 2: Convert to fraction form
    1,260,540.04/1,891,287.78 = 755,463.48/x
  3. Step 3: Cross multiply
    1,260,540.04x = 1,891,287.78 × 755,463.48
  4. Step 4: Simplify right side
    1,260,540.04x = 1,428,798,847,960.27
  5. Step 5: Solve for x
    x = 1,428,798,847,960.27/1,260,540.04
  6. Step 6: Final answer
    x = 1,133,481.53

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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.