Home / 1,787,142.83-2,682,043.18-722,194.11

Finding the Fourth Proportional to 1,787,142.83, 2,682,043.18 and 722,194.11

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Solution

The fourth proportional to 1,787,142.83, 2,682,043.18 and 722,194.11 is: 1,083,828.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,142.83 : 2,682,043.18 = 722,194.11 : x
  2. Step 2: Convert to fraction form
    1,787,142.83/2,682,043.18 = 722,194.11/x
  3. Step 3: Cross multiply
    1,787,142.83x = 2,682,043.18 × 722,194.11
  4. Step 4: Simplify right side
    1,787,142.83x = 1,936,955,785,556.18
  5. Step 5: Solve for x
    x = 1,936,955,785,556.18/1,787,142.83
  6. Step 6: Final answer
    x = 1,083,828.20

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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.