Home / 1,419,832.82-1,959,359.47-775,252.64

Finding the Fourth Proportional to 1,419,832.82, 1,959,359.47 and 775,252.64

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Solution

The fourth proportional to 1,419,832.82, 1,959,359.47 and 775,252.64 is: 1,069,843.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,832.82 : 1,959,359.47 = 775,252.64 : x
  2. Step 2: Convert to fraction form
    1,419,832.82/1,959,359.47 = 775,252.64/x
  3. Step 3: Cross multiply
    1,419,832.82x = 1,959,359.47 × 775,252.64
  4. Step 4: Simplify right side
    1,419,832.82x = 1,518,998,590,091.57
  5. Step 5: Solve for x
    x = 1,518,998,590,091.57/1,419,832.82
  6. Step 6: Final answer
    x = 1,069,843.28

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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.