Home / 1,256,024.88-1,732,675.26-820,696.71

Finding the Fourth Proportional to 1,256,024.88, 1,732,675.26 and 820,696.71

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Solution

The fourth proportional to 1,256,024.88, 1,732,675.26 and 820,696.71 is: 1,132,143.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,024.88 : 1,732,675.26 = 820,696.71 : x
  2. Step 2: Convert to fraction form
    1,256,024.88/1,732,675.26 = 820,696.71/x
  3. Step 3: Cross multiply
    1,256,024.88x = 1,732,675.26 × 820,696.71
  4. Step 4: Simplify right side
    1,256,024.88x = 1,422,000,885,380.39
  5. Step 5: Solve for x
    x = 1,422,000,885,380.39/1,256,024.88
  6. Step 6: Final answer
    x = 1,132,143.88

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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.