Home / 1,444,419.22-2,165,343.96-685,792.66

Finding the Fourth Proportional to 1,444,419.22, 2,165,343.96 and 685,792.66

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Solution

The fourth proportional to 1,444,419.22, 2,165,343.96 and 685,792.66 is: 1,028,078.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,444,419.22 : 2,165,343.96 = 685,792.66 : x
  2. Step 2: Convert to fraction form
    1,444,419.22/2,165,343.96 = 685,792.66/x
  3. Step 3: Cross multiply
    1,444,419.22x = 2,165,343.96 × 685,792.66
  4. Step 4: Simplify right side
    1,444,419.22x = 1,484,976,994,143.33
  5. Step 5: Solve for x
    x = 1,484,976,994,143.33/1,444,419.22
  6. Step 6: Final answer
    x = 1,028,078.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.