Home / 1,803,625.75-2,489,081.78-998,809.75

Finding the Fourth Proportional to 1,803,625.75, 2,489,081.78 and 998,809.75

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Solution

The fourth proportional to 1,803,625.75, 2,489,081.78 and 998,809.75 is: 1,378,400.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,803,625.75 : 2,489,081.78 = 998,809.75 : x
  2. Step 2: Convert to fraction form
    1,803,625.75/2,489,081.78 = 998,809.75/x
  3. Step 3: Cross multiply
    1,803,625.75x = 2,489,081.78 × 998,809.75
  4. Step 4: Simplify right side
    1,803,625.75x = 2,486,119,150,411.36
  5. Step 5: Solve for x
    x = 2,486,119,150,411.36/1,803,625.75
  6. Step 6: Final answer
    x = 1,378,400.79

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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.