Home / 1,321,909.75-1,824,246.39-718,297.75

Finding the Fourth Proportional to 1,321,909.75, 1,824,246.39 and 718,297.75

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Solution

The fourth proportional to 1,321,909.75, 1,824,246.39 and 718,297.75 is: 991,256.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,909.75 : 1,824,246.39 = 718,297.75 : x
  2. Step 2: Convert to fraction form
    1,321,909.75/1,824,246.39 = 718,297.75/x
  3. Step 3: Cross multiply
    1,321,909.75x = 1,824,246.39 × 718,297.75
  4. Step 4: Simplify right side
    1,321,909.75x = 1,310,352,077,382.62
  5. Step 5: Solve for x
    x = 1,310,352,077,382.62/1,321,909.75
  6. Step 6: Final answer
    x = 991,256.84

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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.