Home / 1,008,898.62-1,392,236.82-550,002.03

Finding the Fourth Proportional to 1,008,898.62, 1,392,236.82 and 550,002.03

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Solution

The fourth proportional to 1,008,898.62, 1,392,236.82 and 550,002.03 is: 758,979.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,898.62 : 1,392,236.82 = 550,002.03 : x
  2. Step 2: Convert to fraction form
    1,008,898.62/1,392,236.82 = 550,002.03/x
  3. Step 3: Cross multiply
    1,008,898.62x = 1,392,236.82 × 550,002.03
  4. Step 4: Simplify right side
    1,008,898.62x = 765,733,077,240.75
  5. Step 5: Solve for x
    x = 765,733,077,240.75/1,008,898.62
  6. Step 6: Final answer
    x = 758,979.21

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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.