Home / 1,247,906.45-1,721,962.78-704,010.48

Finding the Fourth Proportional to 1,247,906.45, 1,721,962.78 and 704,010.48

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Solution

The fourth proportional to 1,247,906.45, 1,721,962.78 and 704,010.48 is: 971,450.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,906.45 : 1,721,962.78 = 704,010.48 : x
  2. Step 2: Convert to fraction form
    1,247,906.45/1,721,962.78 = 704,010.48/x
  3. Step 3: Cross multiply
    1,247,906.45x = 1,721,962.78 × 704,010.48
  4. Step 4: Simplify right side
    1,247,906.45x = 1,212,279,843,289.93
  5. Step 5: Solve for x
    x = 1,212,279,843,289.93/1,247,906.45
  6. Step 6: Final answer
    x = 971,450.90

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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.