Home / 1,321,953.39-1,824,322.64-718,380.27

Finding the Fourth Proportional to 1,321,953.39, 1,824,322.64 and 718,380.27

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Solution

The fourth proportional to 1,321,953.39, 1,824,322.64 and 718,380.27 is: 991,379.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,953.39 : 1,824,322.64 = 718,380.27 : x
  2. Step 2: Convert to fraction form
    1,321,953.39/1,824,322.64 = 718,380.27/x
  3. Step 3: Cross multiply
    1,321,953.39x = 1,824,322.64 × 718,380.27
  4. Step 4: Simplify right side
    1,321,953.39x = 1,310,557,387,098.41
  5. Step 5: Solve for x
    x = 1,310,557,387,098.41/1,321,953.39
  6. Step 6: Final answer
    x = 991,379.42

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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.