Home / 1,432,296-1,976,618.16-787,764.96

Finding the Fourth Proportional to 1,432,296, 1,976,618.16 and 787,764.96

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Solution

The fourth proportional to 1,432,296, 1,976,618.16 and 787,764.96 is: 1,087,142.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,432,296 : 1,976,618.16 = 787,764.96 : x
  2. Step 2: Convert to fraction form
    1,432,296/1,976,618.16 = 787,764.96/x
  3. Step 3: Cross multiply
    1,432,296x = 1,976,618.16 × 787,764.96
  4. Step 4: Simplify right side
    1,432,296x = 1,557,110,525,747.67
  5. Step 5: Solve for x
    x = 1,557,110,525,747.67/1,432,296
  6. Step 6: Final answer
    x = 1,087,142.97

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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.