Home / 1,422,344.52-1,962,956.34-810,684.36

Finding the Fourth Proportional to 1,422,344.52, 1,962,956.34 and 810,684.36

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Solution

The fourth proportional to 1,422,344.52, 1,962,956.34 and 810,684.36 is: 1,118,813.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,344.52 : 1,962,956.34 = 810,684.36 : x
  2. Step 2: Convert to fraction form
    1,422,344.52/1,962,956.34 = 810,684.36/x
  3. Step 3: Cross multiply
    1,422,344.52x = 1,962,956.34 × 810,684.36
  4. Step 4: Simplify right side
    1,422,344.52x = 1,591,338,004,200.84
  5. Step 5: Solve for x
    x = 1,591,338,004,200.84/1,422,344.52
  6. Step 6: Final answer
    x = 1,118,813.33

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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.