Home / 1,213,893.20-1,820,062.20-504,203.60

Finding the Fourth Proportional to 1,213,893.20, 1,820,062.20 and 504,203.60

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Solution

The fourth proportional to 1,213,893.20, 1,820,062.20 and 504,203.60 is: 755,982.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,893.20 : 1,820,062.20 = 504,203.60 : x
  2. Step 2: Convert to fraction form
    1,213,893.20/1,820,062.20 = 504,203.60/x
  3. Step 3: Cross multiply
    1,213,893.20x = 1,820,062.20 × 504,203.60
  4. Step 4: Simplify right side
    1,213,893.20x = 917,681,913,463.92
  5. Step 5: Solve for x
    x = 917,681,913,463.92/1,213,893.20
  6. Step 6: Final answer
    x = 755,982.42

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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.