Home / 1,022,611.89-1,413,755.33-767,520.21

Finding the Fourth Proportional to 1,022,611.89, 1,413,755.33 and 767,520.21

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Solution

The fourth proportional to 1,022,611.89, 1,413,755.33 and 767,520.21 is: 1,061,092.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,611.89 : 1,413,755.33 = 767,520.21 : x
  2. Step 2: Convert to fraction form
    1,022,611.89/1,413,755.33 = 767,520.21/x
  3. Step 3: Cross multiply
    1,022,611.89x = 1,413,755.33 × 767,520.21
  4. Step 4: Simplify right side
    1,022,611.89x = 1,085,085,783,932.62
  5. Step 5: Solve for x
    x = 1,085,085,783,932.62/1,022,611.89
  6. Step 6: Final answer
    x = 1,061,092.48

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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.