Home / 854,542.82-1,280,123.48-694,797.06

Finding the Fourth Proportional to 854,542.82, 1,280,123.48 and 694,797.06

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Solution

The fourth proportional to 854,542.82, 1,280,123.48 and 694,797.06 is: 1,040,820.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,542.82 : 1,280,123.48 = 694,797.06 : x
  2. Step 2: Convert to fraction form
    854,542.82/1,280,123.48 = 694,797.06/x
  3. Step 3: Cross multiply
    854,542.82x = 1,280,123.48 × 694,797.06
  4. Step 4: Simplify right side
    854,542.82x = 889,426,030,340.97
  5. Step 5: Solve for x
    x = 889,426,030,340.97/854,542.82
  6. Step 6: Final answer
    x = 1,040,820.90

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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.