Home / 1,281,402.33-1,769,765.16-994,486.15

Finding the Fourth Proportional to 1,281,402.33, 1,769,765.16 and 994,486.15

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Solution

The fourth proportional to 1,281,402.33, 1,769,765.16 and 994,486.15 is: 1,373,500.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,402.33 : 1,769,765.16 = 994,486.15 : x
  2. Step 2: Convert to fraction form
    1,281,402.33/1,769,765.16 = 994,486.15/x
  3. Step 3: Cross multiply
    1,281,402.33x = 1,769,765.16 × 994,486.15
  4. Step 4: Simplify right side
    1,281,402.33x = 1,760,006,940,372.53
  5. Step 5: Solve for x
    x = 1,760,006,940,372.53/1,281,402.33
  6. Step 6: Final answer
    x = 1,373,500.66

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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.