Home / 1,252,327-1,728,211.26-715,794.52

Finding the Fourth Proportional to 1,252,327, 1,728,211.26 and 715,794.52

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Solution

The fourth proportional to 1,252,327, 1,728,211.26 and 715,794.52 is: 987,796.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,327 : 1,728,211.26 = 715,794.52 : x
  2. Step 2: Convert to fraction form
    1,252,327/1,728,211.26 = 715,794.52/x
  3. Step 3: Cross multiply
    1,252,327x = 1,728,211.26 × 715,794.52
  4. Step 4: Simplify right side
    1,252,327x = 1,237,044,149,310.30
  5. Step 5: Solve for x
    x = 1,237,044,149,310.30/1,252,327
  6. Step 6: Final answer
    x = 987,796.44

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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.