Home / 865,556.21-1,297,173.67-673,662.42

Finding the Fourth Proportional to 865,556.21, 1,297,173.67 and 673,662.42

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Solution

The fourth proportional to 865,556.21, 1,297,173.67 and 673,662.42 is: 1,009,590.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,556.21 : 1,297,173.67 = 673,662.42 : x
  2. Step 2: Convert to fraction form
    865,556.21/1,297,173.67 = 673,662.42/x
  3. Step 3: Cross multiply
    865,556.21x = 1,297,173.67 × 673,662.42
  4. Step 4: Simplify right side
    865,556.21x = 873,857,152,008.33
  5. Step 5: Solve for x
    x = 873,857,152,008.33/865,556.21
  6. Step 6: Final answer
    x = 1,009,590.30

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.