Home / 1,132,738.85-1,698,922.40-311,885.97

Finding the Fourth Proportional to 1,132,738.85, 1,698,922.40 and 311,885.97

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Solution

The fourth proportional to 1,132,738.85, 1,698,922.40 and 311,885.97 is: 467,777.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,132,738.85 : 1,698,922.40 = 311,885.97 : x
  2. Step 2: Convert to fraction form
    1,132,738.85/1,698,922.40 = 311,885.97/x
  3. Step 3: Cross multiply
    1,132,738.85x = 1,698,922.40 × 311,885.97
  4. Step 4: Simplify right side
    1,132,738.85x = 529,870,059,119.30
  5. Step 5: Solve for x
    x = 529,870,059,119.30/1,132,738.85
  6. Step 6: Final answer
    x = 467,777.78

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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.