Home / 1,119,517.80-1,545,183.72-711,540.24

Finding the Fourth Proportional to 1,119,517.80, 1,545,183.72 and 711,540.24

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Solution

The fourth proportional to 1,119,517.80, 1,545,183.72 and 711,540.24 is: 982,083.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,517.80 : 1,545,183.72 = 711,540.24 : x
  2. Step 2: Convert to fraction form
    1,119,517.80/1,545,183.72 = 711,540.24/x
  3. Step 3: Cross multiply
    1,119,517.80x = 1,545,183.72 × 711,540.24
  4. Step 4: Simplify right side
    1,119,517.80x = 1,099,460,394,972.89
  5. Step 5: Solve for x
    x = 1,099,460,394,972.89/1,119,517.80
  6. Step 6: Final answer
    x = 982,083.89

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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.