Home / 1,273,647.21-1,757,884.38-730,147.95

Finding the Fourth Proportional to 1,273,647.21, 1,757,884.38 and 730,147.95

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Solution

The fourth proportional to 1,273,647.21, 1,757,884.38 and 730,147.95 is: 1,007,748.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,647.21 : 1,757,884.38 = 730,147.95 : x
  2. Step 2: Convert to fraction form
    1,273,647.21/1,757,884.38 = 730,147.95/x
  3. Step 3: Cross multiply
    1,273,647.21x = 1,757,884.38 × 730,147.95
  4. Step 4: Simplify right side
    1,273,647.21x = 1,283,515,676,394.02
  5. Step 5: Solve for x
    x = 1,283,515,676,394.02/1,273,647.21
  6. Step 6: Final answer
    x = 1,007,748.19

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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.