Home / 809,980.74-1,108,059.44-806,569.02

Finding the Fourth Proportional to 809,980.74, 1,108,059.44 and 806,569.02

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Solution

The fourth proportional to 809,980.74, 1,108,059.44 and 806,569.02 is: 1,103,392.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,980.74 : 1,108,059.44 = 806,569.02 : x
  2. Step 2: Convert to fraction form
    809,980.74/1,108,059.44 = 806,569.02/x
  3. Step 3: Cross multiply
    809,980.74x = 1,108,059.44 × 806,569.02
  4. Step 4: Simplify right side
    809,980.74x = 893,726,412,589.70
  5. Step 5: Solve for x
    x = 893,726,412,589.70/809,980.74
  6. Step 6: Final answer
    x = 1,103,392.18

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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.