Home / 1,213,712.60-1,821,006.30-504,249.80

Finding the Fourth Proportional to 1,213,712.60, 1,821,006.30 and 504,249.80

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Solution

The fourth proportional to 1,213,712.60, 1,821,006.30 and 504,249.80 is: 756,556.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,712.60 : 1,821,006.30 = 504,249.80 : x
  2. Step 2: Convert to fraction form
    1,213,712.60/1,821,006.30 = 504,249.80/x
  3. Step 3: Cross multiply
    1,213,712.60x = 1,821,006.30 × 504,249.80
  4. Step 4: Simplify right side
    1,213,712.60x = 918,242,062,573.74
  5. Step 5: Solve for x
    x = 918,242,062,573.74/1,213,712.60
  6. Step 6: Final answer
    x = 756,556.42

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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.