Home / 1,231,025.70-1,846,742.70-432,100.02

Finding the Fourth Proportional to 1,231,025.70, 1,846,742.70 and 432,100.02

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Solution

The fourth proportional to 1,231,025.70, 1,846,742.70 and 432,100.02 is: 648,221.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,025.70 : 1,846,742.70 = 432,100.02 : x
  2. Step 2: Convert to fraction form
    1,231,025.70/1,846,742.70 = 432,100.02/x
  3. Step 3: Cross multiply
    1,231,025.70x = 1,846,742.70 × 432,100.02
  4. Step 4: Simplify right side
    1,231,025.70x = 797,977,557,604.85
  5. Step 5: Solve for x
    x = 797,977,557,604.85/1,231,025.70
  6. Step 6: Final answer
    x = 648,221.69

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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.