Home / 1,753,138.92-2,419,198.74-989,263.56

Finding the Fourth Proportional to 1,753,138.92, 2,419,198.74 and 989,263.56

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Solution

The fourth proportional to 1,753,138.92, 2,419,198.74 and 989,263.56 is: 1,365,108.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,753,138.92 : 2,419,198.74 = 989,263.56 : x
  2. Step 2: Convert to fraction form
    1,753,138.92/2,419,198.74 = 989,263.56/x
  3. Step 3: Cross multiply
    1,753,138.92x = 2,419,198.74 × 989,263.56
  4. Step 4: Simplify right side
    1,753,138.92x = 2,393,225,157,879.91
  5. Step 5: Solve for x
    x = 2,393,225,157,879.91/1,753,138.92
  6. Step 6: Final answer
    x = 1,365,108.68

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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.