Home / 1,331,797.42-1,837,887.52-728,185.42

Finding the Fourth Proportional to 1,331,797.42, 1,837,887.52 and 728,185.42

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Solution

The fourth proportional to 1,331,797.42, 1,837,887.52 and 728,185.42 is: 1,004,899.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,797.42 : 1,837,887.52 = 728,185.42 : x
  2. Step 2: Convert to fraction form
    1,331,797.42/1,837,887.52 = 728,185.42/x
  3. Step 3: Cross multiply
    1,331,797.42x = 1,837,887.52 × 728,185.42
  4. Step 4: Simplify right side
    1,331,797.42x = 1,338,322,884,654.06
  5. Step 5: Solve for x
    x = 1,338,322,884,654.06/1,331,797.42
  6. Step 6: Final answer
    x = 1,004,899.75

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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.