Home / 1,226,633.12-1,692,753.48-682,757.20

Finding the Fourth Proportional to 1,226,633.12, 1,692,753.48 and 682,757.20

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Solution

The fourth proportional to 1,226,633.12, 1,692,753.48 and 682,757.20 is: 942,204.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,633.12 : 1,692,753.48 = 682,757.20 : x
  2. Step 2: Convert to fraction form
    1,226,633.12/1,692,753.48 = 682,757.20/x
  3. Step 3: Cross multiply
    1,226,633.12x = 1,692,753.48 × 682,757.20
  4. Step 4: Simplify right side
    1,226,633.12x = 1,155,739,622,063.17
  5. Step 5: Solve for x
    x = 1,155,739,622,063.17/1,226,633.12
  6. Step 6: Final answer
    x = 942,204.81

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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.