Home / 1,321,952.64-1,824,321.60-718,379.52

Finding the Fourth Proportional to 1,321,952.64, 1,824,321.60 and 718,379.52

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Solution

The fourth proportional to 1,321,952.64, 1,824,321.60 and 718,379.52 is: 991,378.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,952.64 : 1,824,321.60 = 718,379.52 : x
  2. Step 2: Convert to fraction form
    1,321,952.64/1,824,321.60 = 718,379.52/x
  3. Step 3: Cross multiply
    1,321,952.64x = 1,824,321.60 × 718,379.52
  4. Step 4: Simplify right side
    1,321,952.64x = 1,310,555,275,333.63
  5. Step 5: Solve for x
    x = 1,310,555,275,333.63/1,321,952.64
  6. Step 6: Final answer
    x = 991,378.39

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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.