Home / 1,126,245.52-1,689,617.39-620,546.19

Finding the Fourth Proportional to 1,126,245.52, 1,689,617.39 and 620,546.19

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Solution

The fourth proportional to 1,126,245.52, 1,689,617.39 and 620,546.19 is: 930,956.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,245.52 : 1,689,617.39 = 620,546.19 : x
  2. Step 2: Convert to fraction form
    1,126,245.52/1,689,617.39 = 620,546.19/x
  3. Step 3: Cross multiply
    1,126,245.52x = 1,689,617.39 × 620,546.19
  4. Step 4: Simplify right side
    1,126,245.52x = 1,048,485,633,922.24
  5. Step 5: Solve for x
    x = 1,048,485,633,922.24/1,126,245.52
  6. Step 6: Final answer
    x = 930,956.54

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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.