Home / 1,228,215.75-1,694,944.45-712,275.54

Finding the Fourth Proportional to 1,228,215.75, 1,694,944.45 and 712,275.54

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Solution

The fourth proportional to 1,228,215.75, 1,694,944.45 and 712,275.54 is: 982,944.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,215.75 : 1,694,944.45 = 712,275.54 : x
  2. Step 2: Convert to fraction form
    1,228,215.75/1,694,944.45 = 712,275.54/x
  3. Step 3: Cross multiply
    1,228,215.75x = 1,694,944.45 × 712,275.54
  4. Step 4: Simplify right side
    1,228,215.75x = 1,207,267,467,928.06
  5. Step 5: Solve for x
    x = 1,207,267,467,928.06/1,228,215.75
  6. Step 6: Final answer
    x = 982,944.14

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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.