Home / 1,009,067.71-1,392,524.44-550,178.61

Finding the Fourth Proportional to 1,009,067.71, 1,392,524.44 and 550,178.61

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Solution

The fourth proportional to 1,009,067.71, 1,392,524.44 and 550,178.61 is: 759,252.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,067.71 : 1,392,524.44 = 550,178.61 : x
  2. Step 2: Convert to fraction form
    1,009,067.71/1,392,524.44 = 550,178.61/x
  3. Step 3: Cross multiply
    1,009,067.71x = 1,392,524.44 × 550,178.61
  4. Step 4: Simplify right side
    1,009,067.71x = 766,137,159,414.78
  5. Step 5: Solve for x
    x = 766,137,159,414.78/1,009,067.71
  6. Step 6: Final answer
    x = 759,252.48

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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.