Home / 1,787,162.33-2,682,072.44-722,213.61

Finding the Fourth Proportional to 1,787,162.33, 2,682,072.44 and 722,213.61

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Solution

The fourth proportional to 1,787,162.33, 2,682,072.44 and 722,213.61 is: 1,083,857.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,787,162.33 : 2,682,072.44 = 722,213.61 : x
  2. Step 2: Convert to fraction form
    1,787,162.33/2,682,072.44 = 722,213.61/x
  3. Step 3: Cross multiply
    1,787,162.33x = 2,682,072.44 × 722,213.61
  4. Step 4: Simplify right side
    1,787,162.33x = 1,937,029,215,562.84
  5. Step 5: Solve for x
    x = 1,937,029,215,562.84/1,787,162.33
  6. Step 6: Final answer
    x = 1,083,857.46

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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.