Home / 1,311,729.12-1,965,889.44-591,541.92

Finding the Fourth Proportional to 1,311,729.12, 1,965,889.44 and 591,541.92

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Solution

The fourth proportional to 1,311,729.12, 1,965,889.44 and 591,541.92 is: 886,544.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,729.12 : 1,965,889.44 = 591,541.92 : x
  2. Step 2: Convert to fraction form
    1,311,729.12/1,965,889.44 = 591,541.92/x
  3. Step 3: Cross multiply
    1,311,729.12x = 1,965,889.44 × 591,541.92
  4. Step 4: Simplify right side
    1,311,729.12x = 1,162,906,013,845.33
  5. Step 5: Solve for x
    x = 1,162,906,013,845.33/1,311,729.12
  6. Step 6: Final answer
    x = 886,544.33

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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.