Home / 1,231,638.88-1,844,049.84-631,305.76

Finding the Fourth Proportional to 1,231,638.88, 1,844,049.84 and 631,305.76

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Solution

The fourth proportional to 1,231,638.88, 1,844,049.84 and 631,305.76 is: 945,211.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,638.88 : 1,844,049.84 = 631,305.76 : x
  2. Step 2: Convert to fraction form
    1,231,638.88/1,844,049.84 = 631,305.76/x
  3. Step 3: Cross multiply
    1,231,638.88x = 1,844,049.84 × 631,305.76
  4. Step 4: Simplify right side
    1,231,638.88x = 1,164,159,285,719.08
  5. Step 5: Solve for x
    x = 1,164,159,285,719.08/1,231,638.88
  6. Step 6: Final answer
    x = 945,211.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.