Home / 1,131,034.82-1,560,788.48-621,733.56

Finding the Fourth Proportional to 1,131,034.82, 1,560,788.48 and 621,733.56

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Solution

The fourth proportional to 1,131,034.82, 1,560,788.48 and 621,733.56 is: 857,970.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,034.82 : 1,560,788.48 = 621,733.56 : x
  2. Step 2: Convert to fraction form
    1,131,034.82/1,560,788.48 = 621,733.56/x
  3. Step 3: Cross multiply
    1,131,034.82x = 1,560,788.48 × 621,733.56
  4. Step 4: Simplify right side
    1,131,034.82x = 970,394,578,077.39
  5. Step 5: Solve for x
    x = 970,394,578,077.39/1,131,034.82
  6. Step 6: Final answer
    x = 857,970.56

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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.