Home / 1,320,488.73-1,822,293.34-769,190.27

Finding the Fourth Proportional to 1,320,488.73, 1,822,293.34 and 769,190.27

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Solution

The fourth proportional to 1,320,488.73, 1,822,293.34 and 769,190.27 is: 1,061,493.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,320,488.73 : 1,822,293.34 = 769,190.27 : x
  2. Step 2: Convert to fraction form
    1,320,488.73/1,822,293.34 = 769,190.27/x
  3. Step 3: Cross multiply
    1,320,488.73x = 1,822,293.34 × 769,190.27
  4. Step 4: Simplify right side
    1,320,488.73x = 1,401,690,295,179.36
  5. Step 5: Solve for x
    x = 1,401,690,295,179.36/1,320,488.73
  6. Step 6: Final answer
    x = 1,061,493.57

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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.