Home / 1,261,918.73-1,892,894.49-363,375.20

Finding the Fourth Proportional to 1,261,918.73, 1,892,894.49 and 363,375.20

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Solution

The fourth proportional to 1,261,918.73, 1,892,894.49 and 363,375.20 is: 545,067.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,918.73 : 1,892,894.49 = 363,375.20 : x
  2. Step 2: Convert to fraction form
    1,261,918.73/1,892,894.49 = 363,375.20/x
  3. Step 3: Cross multiply
    1,261,918.73x = 1,892,894.49 × 363,375.20
  4. Step 4: Simplify right side
    1,261,918.73x = 687,830,904,418.18
  5. Step 5: Solve for x
    x = 687,830,904,418.18/1,261,918.73
  6. Step 6: Final answer
    x = 545,067.52

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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.