Home / 1,257,524.78-1,735,623.38-713,711.48

Finding the Fourth Proportional to 1,257,524.78, 1,735,623.38 and 713,711.48

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Solution

The fourth proportional to 1,257,524.78, 1,735,623.38 and 713,711.48 is: 985,057.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,524.78 : 1,735,623.38 = 713,711.48 : x
  2. Step 2: Convert to fraction form
    1,257,524.78/1,735,623.38 = 713,711.48/x
  3. Step 3: Cross multiply
    1,257,524.78x = 1,735,623.38 × 713,711.48
  4. Step 4: Simplify right side
    1,257,524.78x = 1,238,734,331,262.40
  5. Step 5: Solve for x
    x = 1,238,734,331,262.40/1,257,524.78
  6. Step 6: Final answer
    x = 985,057.59

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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.