Home / 809,990.24-1,108,072.45-806,578.52

Finding the Fourth Proportional to 809,990.24, 1,108,072.45 and 806,578.52

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Solution

The fourth proportional to 809,990.24, 1,108,072.45 and 806,578.52 is: 1,103,405.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,990.24 : 1,108,072.45 = 806,578.52 : x
  2. Step 2: Convert to fraction form
    809,990.24/1,108,072.45 = 806,578.52/x
  3. Step 3: Cross multiply
    809,990.24x = 1,108,072.45 × 806,578.52
  4. Step 4: Simplify right side
    809,990.24x = 893,747,436,773.77
  5. Step 5: Solve for x
    x = 893,747,436,773.77/809,990.24
  6. Step 6: Final answer
    x = 1,103,405.19

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.