Home / 1,315,850.43-1,815,876.33-712,238.43

Finding the Fourth Proportional to 1,315,850.43, 1,815,876.33 and 712,238.43

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Solution

The fourth proportional to 1,315,850.43, 1,815,876.33 and 712,238.43 is: 982,890.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,850.43 : 1,815,876.33 = 712,238.43 : x
  2. Step 2: Convert to fraction form
    1,315,850.43/1,815,876.33 = 712,238.43/x
  3. Step 3: Cross multiply
    1,315,850.43x = 1,815,876.33 × 712,238.43
  4. Step 4: Simplify right side
    1,315,850.43x = 1,293,336,906,353.36
  5. Step 5: Solve for x
    x = 1,293,336,906,353.36/1,315,850.43
  6. Step 6: Final answer
    x = 982,890.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.