Home / 1,199,738.97-1,800,062.97-720,301.56

Finding the Fourth Proportional to 1,199,738.97, 1,800,062.97 and 720,301.56

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Solution

The fourth proportional to 1,199,738.97, 1,800,062.97 and 720,301.56 is: 1,080,725.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,738.97 : 1,800,062.97 = 720,301.56 : x
  2. Step 2: Convert to fraction form
    1,199,738.97/1,800,062.97 = 720,301.56/x
  3. Step 3: Cross multiply
    1,199,738.97x = 1,800,062.97 × 720,301.56
  4. Step 4: Simplify right side
    1,199,738.97x = 1,296,588,165,389.23
  5. Step 5: Solve for x
    x = 1,296,588,165,389.23/1,199,738.97
  6. Step 6: Final answer
    x = 1,080,725.22

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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.