Home / 1,434,067.77-1,979,129.20-822,277.45

Finding the Fourth Proportional to 1,434,067.77, 1,979,129.20 and 822,277.45

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Solution

The fourth proportional to 1,434,067.77, 1,979,129.20 and 822,277.45 is: 1,134,809.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,067.77 : 1,979,129.20 = 822,277.45 : x
  2. Step 2: Convert to fraction form
    1,434,067.77/1,979,129.20 = 822,277.45/x
  3. Step 3: Cross multiply
    1,434,067.77x = 1,979,129.20 × 822,277.45
  4. Step 4: Simplify right side
    1,434,067.77x = 1,627,393,311,796.54
  5. Step 5: Solve for x
    x = 1,627,393,311,796.54/1,434,067.77
  6. Step 6: Final answer
    x = 1,134,809.21

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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.