Home / 1,102,249.76-1,520,999.60-618,704.08

Finding the Fourth Proportional to 1,102,249.76, 1,520,999.60 and 618,704.08

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Solution

The fourth proportional to 1,102,249.76, 1,520,999.60 and 618,704.08 is: 853,752.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,249.76 : 1,520,999.60 = 618,704.08 : x
  2. Step 2: Convert to fraction form
    1,102,249.76/1,520,999.60 = 618,704.08/x
  3. Step 3: Cross multiply
    1,102,249.76x = 1,520,999.60 × 618,704.08
  4. Step 4: Simplify right side
    1,102,249.76x = 941,048,658,198.37
  5. Step 5: Solve for x
    x = 941,048,658,198.37/1,102,249.76
  6. Step 6: Final answer
    x = 853,752.65

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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.