Home / 1,326,241.80-1,830,213.06-722,629.80

Finding the Fourth Proportional to 1,326,241.80, 1,830,213.06 and 722,629.80

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Solution

The fourth proportional to 1,326,241.80, 1,830,213.06 and 722,629.80 is: 997,228.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,326,241.80 : 1,830,213.06 = 722,629.80 : x
  2. Step 2: Convert to fraction form
    1,326,241.80/1,830,213.06 = 722,629.80/x
  3. Step 3: Cross multiply
    1,326,241.80x = 1,830,213.06 × 722,629.80
  4. Step 4: Simplify right side
    1,326,241.80x = 1,322,566,497,505.19
  5. Step 5: Solve for x
    x = 1,322,566,497,505.19/1,326,241.80
  6. Step 6: Final answer
    x = 997,228.78

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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.