Home / 1,320,759.27-1,822,734.90-740,028.96

Finding the Fourth Proportional to 1,320,759.27, 1,822,734.90 and 740,028.96

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Solution

The fourth proportional to 1,320,759.27, 1,822,734.90 and 740,028.96 is: 1,021,288.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,759.27 : 1,822,734.90 = 740,028.96 : x
  2. Step 2: Convert to fraction form
    1,320,759.27/1,822,734.90 = 740,028.96/x
  3. Step 3: Cross multiply
    1,320,759.27x = 1,822,734.90 × 740,028.96
  4. Step 4: Simplify right side
    1,320,759.27x = 1,348,876,612,402.70
  5. Step 5: Solve for x
    x = 1,348,876,612,402.70/1,320,759.27
  6. Step 6: Final answer
    x = 1,021,288.77

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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.