Home / 1,269,828.39-1,751,864.32-725,672.25

Finding the Fourth Proportional to 1,269,828.39, 1,751,864.32 and 725,672.25

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Solution

The fourth proportional to 1,269,828.39, 1,751,864.32 and 725,672.25 is: 1,001,142.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,828.39 : 1,751,864.32 = 725,672.25 : x
  2. Step 2: Convert to fraction form
    1,269,828.39/1,751,864.32 = 725,672.25/x
  3. Step 3: Cross multiply
    1,269,828.39x = 1,751,864.32 × 725,672.25
  4. Step 4: Simplify right side
    1,269,828.39x = 1,271,279,321,531.58
  5. Step 5: Solve for x
    x = 1,271,279,321,531.58/1,269,828.39
  6. Step 6: Final answer
    x = 1,001,142.62

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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.