Home / 1,084,963.89-1,627,716.42-765,739.29

Finding the Fourth Proportional to 1,084,963.89, 1,627,716.42 and 765,739.29

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Solution

The fourth proportional to 1,084,963.89, 1,627,716.42 and 765,739.29 is: 1,148,799.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084,963.89 : 1,627,716.42 = 765,739.29 : x
  2. Step 2: Convert to fraction form
    1,084,963.89/1,627,716.42 = 765,739.29/x
  3. Step 3: Cross multiply
    1,084,963.89x = 1,627,716.42 × 765,739.29
  4. Step 4: Simplify right side
    1,084,963.89x = 1,246,406,415,772.14
  5. Step 5: Solve for x
    x = 1,246,406,415,772.14/1,084,963.89
  6. Step 6: Final answer
    x = 1,148,799.91

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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.