Home / 1,488,131.44-2,053,611.16-809,067.92

Finding the Fourth Proportional to 1,488,131.44, 2,053,611.16 and 809,067.92

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Solution

The fourth proportional to 1,488,131.44, 2,053,611.16 and 809,067.92 is: 1,116,508.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,488,131.44 : 2,053,611.16 = 809,067.92 : x
  2. Step 2: Convert to fraction form
    1,488,131.44/2,053,611.16 = 809,067.92/x
  3. Step 3: Cross multiply
    1,488,131.44x = 2,053,611.16 × 809,067.92
  4. Step 4: Simplify right side
    1,488,131.44x = 1,661,510,909,709.99
  5. Step 5: Solve for x
    x = 1,661,510,909,709.99/1,488,131.44
  6. Step 6: Final answer
    x = 1,116,508.17

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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.