Home / 1,121,796.72-1,682,800.88-869,359.96

Finding the Fourth Proportional to 1,121,796.72, 1,682,800.88 and 869,359.96

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Solution

The fourth proportional to 1,121,796.72, 1,682,800.88 and 869,359.96 is: 1,304,121.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,796.72 : 1,682,800.88 = 869,359.96 : x
  2. Step 2: Convert to fraction form
    1,121,796.72/1,682,800.88 = 869,359.96/x
  3. Step 3: Cross multiply
    1,121,796.72x = 1,682,800.88 × 869,359.96
  4. Step 4: Simplify right side
    1,121,796.72x = 1,462,959,705,724.76
  5. Step 5: Solve for x
    x = 1,462,959,705,724.76/1,121,796.72
  6. Step 6: Final answer
    x = 1,304,121.93

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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.