Home / 1,422,436.97-1,962,997.16-810,576.63

Finding the Fourth Proportional to 1,422,436.97, 1,962,997.16 and 810,576.63

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Solution

The fourth proportional to 1,422,436.97, 1,962,997.16 and 810,576.63 is: 1,118,615.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,436.97 : 1,962,997.16 = 810,576.63 : x
  2. Step 2: Convert to fraction form
    1,422,436.97/1,962,997.16 = 810,576.63/x
  3. Step 3: Cross multiply
    1,422,436.97x = 1,962,997.16 × 810,576.63
  4. Step 4: Simplify right side
    1,422,436.97x = 1,591,159,618,599.49
  5. Step 5: Solve for x
    x = 1,591,159,618,599.49/1,422,436.97
  6. Step 6: Final answer
    x = 1,118,615.21

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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.