Home / 1,210,481.73-1,670,469.78-694,255.56

Finding the Fourth Proportional to 1,210,481.73, 1,670,469.78 and 694,255.56

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Solution

The fourth proportional to 1,210,481.73, 1,670,469.78 and 694,255.56 is: 958,075.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,481.73 : 1,670,469.78 = 694,255.56 : x
  2. Step 2: Convert to fraction form
    1,210,481.73/1,670,469.78 = 694,255.56/x
  3. Step 3: Cross multiply
    1,210,481.73x = 1,670,469.78 × 694,255.56
  4. Step 4: Simplify right side
    1,210,481.73x = 1,159,732,932,576.98
  5. Step 5: Solve for x
    x = 1,159,732,932,576.98/1,210,481.73
  6. Step 6: Final answer
    x = 958,075.54

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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.