Home / 1,422,408.94-1,962,861.84-810,694.10

Finding the Fourth Proportional to 1,422,408.94, 1,962,861.84 and 810,694.10

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Solution

The fourth proportional to 1,422,408.94, 1,962,861.84 and 810,694.10 is: 1,118,722.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,408.94 : 1,962,861.84 = 810,694.10 : x
  2. Step 2: Convert to fraction form
    1,422,408.94/1,962,861.84 = 810,694.10/x
  3. Step 3: Cross multiply
    1,422,408.94x = 1,962,861.84 × 810,694.10
  4. Step 4: Simplify right side
    1,422,408.94x = 1,591,280,512,803.14
  5. Step 5: Solve for x
    x = 1,591,280,512,803.14/1,422,408.94
  6. Step 6: Final answer
    x = 1,118,722.24

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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.