Home / 881,274.84-1,319,861.79-857,031.18

Finding the Fourth Proportional to 881,274.84, 1,319,861.79 and 857,031.18

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Solution

The fourth proportional to 881,274.84, 1,319,861.79 and 857,031.18 is: 1,283,552.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,274.84 : 1,319,861.79 = 857,031.18 : x
  2. Step 2: Convert to fraction form
    881,274.84/1,319,861.79 = 857,031.18/x
  3. Step 3: Cross multiply
    881,274.84x = 1,319,861.79 × 857,031.18
  4. Step 4: Simplify right side
    881,274.84x = 1,131,162,707,320.61
  5. Step 5: Solve for x
    x = 1,131,162,707,320.61/881,274.84
  6. Step 6: Final answer
    x = 1,283,552.71

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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.