Home / 980,609.04-1,352,694.47-911,252.25

Finding the Fourth Proportional to 980,609.04, 1,352,694.47 and 911,252.25

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Solution

The fourth proportional to 980,609.04, 1,352,694.47 and 911,252.25 is: 1,257,020.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,609.04 : 1,352,694.47 = 911,252.25 : x
  2. Step 2: Convert to fraction form
    980,609.04/1,352,694.47 = 911,252.25/x
  3. Step 3: Cross multiply
    980,609.04x = 1,352,694.47 × 911,252.25
  4. Step 4: Simplify right side
    980,609.04x = 1,232,645,874,793.80
  5. Step 5: Solve for x
    x = 1,232,645,874,793.80/980,609.04
  6. Step 6: Final answer
    x = 1,257,020.71

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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.