Home / 1,264,721.88-1,745,885.52-806,450.70

Finding the Fourth Proportional to 1,264,721.88, 1,745,885.52 and 806,450.70

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Solution

The fourth proportional to 1,264,721.88, 1,745,885.52 and 806,450.70 is: 1,113,265.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,721.88 : 1,745,885.52 = 806,450.70 : x
  2. Step 2: Convert to fraction form
    1,264,721.88/1,745,885.52 = 806,450.70/x
  3. Step 3: Cross multiply
    1,264,721.88x = 1,745,885.52 × 806,450.70
  4. Step 4: Simplify right side
    1,264,721.88x = 1,407,970,599,723.86
  5. Step 5: Solve for x
    x = 1,407,970,599,723.86/1,264,721.88
  6. Step 6: Final answer
    x = 1,113,265.00

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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.