Home / 1,422,316.62-1,962,418.68-810,456.30

Finding the Fourth Proportional to 1,422,316.62, 1,962,418.68 and 810,456.30

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Solution

The fourth proportional to 1,422,316.62, 1,962,418.68 and 810,456.30 is: 1,118,214.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,316.62 : 1,962,418.68 = 810,456.30 : x
  2. Step 2: Convert to fraction form
    1,422,316.62/1,962,418.68 = 810,456.30/x
  3. Step 3: Cross multiply
    1,422,316.62x = 1,962,418.68 × 810,456.30
  4. Step 4: Simplify right side
    1,422,316.62x = 1,590,454,582,443.68
  5. Step 5: Solve for x
    x = 1,590,454,582,443.68/1,422,316.62
  6. Step 6: Final answer
    x = 1,118,214.16

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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.