Home / 1,682,406.26-2,321,708.82-918,459.82

Finding the Fourth Proportional to 1,682,406.26, 2,321,708.82 and 918,459.82

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Solution

The fourth proportional to 1,682,406.26, 2,321,708.82 and 918,459.82 is: 1,267,468.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,406.26 : 2,321,708.82 = 918,459.82 : x
  2. Step 2: Convert to fraction form
    1,682,406.26/2,321,708.82 = 918,459.82/x
  3. Step 3: Cross multiply
    1,682,406.26x = 2,321,708.82 × 918,459.82
  4. Step 4: Simplify right side
    1,682,406.26x = 2,132,396,259,105.34
  5. Step 5: Solve for x
    x = 2,132,396,259,105.34/1,682,406.26
  6. Step 6: Final answer
    x = 1,267,468.10

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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.