Home / 912,956.88-1,256,248.20-885,222.12

Finding the Fourth Proportional to 912,956.88, 1,256,248.20 and 885,222.12

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Solution

The fourth proportional to 912,956.88, 1,256,248.20 and 885,222.12 is: 1,218,084.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,956.88 : 1,256,248.20 = 885,222.12 : x
  2. Step 2: Convert to fraction form
    912,956.88/1,256,248.20 = 885,222.12/x
  3. Step 3: Cross multiply
    912,956.88x = 1,256,248.20 × 885,222.12
  4. Step 4: Simplify right side
    912,956.88x = 1,112,058,694,850.18
  5. Step 5: Solve for x
    x = 1,112,058,694,850.18/912,956.88
  6. Step 6: Final answer
    x = 1,218,084.58

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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.