Home / 1,422,313.62-1,962,414.54-810,453.30

Finding the Fourth Proportional to 1,422,313.62, 1,962,414.54 and 810,453.30

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Solution

The fourth proportional to 1,422,313.62, 1,962,414.54 and 810,453.30 is: 1,118,210.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,313.62 : 1,962,414.54 = 810,453.30 : x
  2. Step 2: Convert to fraction form
    1,422,313.62/1,962,414.54 = 810,453.30/x
  3. Step 3: Cross multiply
    1,422,313.62x = 1,962,414.54 × 810,453.30
  4. Step 4: Simplify right side
    1,422,313.62x = 1,590,445,339,910.98
  5. Step 5: Solve for x
    x = 1,590,445,339,910.98/1,422,313.62
  6. Step 6: Final answer
    x = 1,118,210.02

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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.