Home / 1,257,628.36-1,735,753.50-741,351.46

Finding the Fourth Proportional to 1,257,628.36, 1,735,753.50 and 741,351.46

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Solution

The fourth proportional to 1,257,628.36, 1,735,753.50 and 741,351.46 is: 1,023,198.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,628.36 : 1,735,753.50 = 741,351.46 : x
  2. Step 2: Convert to fraction form
    1,257,628.36/1,735,753.50 = 741,351.46/x
  3. Step 3: Cross multiply
    1,257,628.36x = 1,735,753.50 × 741,351.46
  4. Step 4: Simplify right side
    1,257,628.36x = 1,286,803,391,425.11
  5. Step 5: Solve for x
    x = 1,286,803,391,425.11/1,257,628.36
  6. Step 6: Final answer
    x = 1,023,198.45

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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.