Home / 1,200,424.52-1,656,401.78-691,028.44

Finding the Fourth Proportional to 1,200,424.52, 1,656,401.78 and 691,028.44

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Solution

The fourth proportional to 1,200,424.52, 1,656,401.78 and 691,028.44 is: 953,513.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,424.52 : 1,656,401.78 = 691,028.44 : x
  2. Step 2: Convert to fraction form
    1,200,424.52/1,656,401.78 = 691,028.44/x
  3. Step 3: Cross multiply
    1,200,424.52x = 1,656,401.78 × 691,028.44
  4. Step 4: Simplify right side
    1,200,424.52x = 1,144,620,738,046.62
  5. Step 5: Solve for x
    x = 1,144,620,738,046.62/1,200,424.52
  6. Step 6: Final answer
    x = 953,513.29

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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.