Home / 996,982.49-1,372,372.25-869,436.65

Finding the Fourth Proportional to 996,982.49, 1,372,372.25 and 869,436.65

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Solution

The fourth proportional to 996,982.49, 1,372,372.25 and 869,436.65 is: 1,196,802.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    996,982.49 : 1,372,372.25 = 869,436.65 : x
  2. Step 2: Convert to fraction form
    996,982.49/1,372,372.25 = 869,436.65/x
  3. Step 3: Cross multiply
    996,982.49x = 1,372,372.25 × 869,436.65
  4. Step 4: Simplify right side
    996,982.49x = 1,193,190,720,383.92
  5. Step 5: Solve for x
    x = 1,193,190,720,383.92/996,982.49
  6. Step 6: Final answer
    x = 1,196,802.09

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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.