Home / 1,143,431.06-1,715,394.27-344,645.78

Finding the Fourth Proportional to 1,143,431.06, 1,715,394.27 and 344,645.78

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Solution

The fourth proportional to 1,143,431.06, 1,715,394.27 and 344,645.78 is: 517,043.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,431.06 : 1,715,394.27 = 344,645.78 : x
  2. Step 2: Convert to fraction form
    1,143,431.06/1,715,394.27 = 344,645.78/x
  3. Step 3: Cross multiply
    1,143,431.06x = 1,715,394.27 × 344,645.78
  4. Step 4: Simplify right side
    1,143,431.06x = 591,203,396,191.68
  5. Step 5: Solve for x
    x = 591,203,396,191.68/1,143,431.06
  6. Step 6: Final answer
    x = 517,043.32

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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.