Home / 998,632.44-1,378,834.38-617,182.20

Finding the Fourth Proportional to 998,632.44, 1,378,834.38 and 617,182.20

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Solution

The fourth proportional to 998,632.44, 1,378,834.38 and 617,182.20 is: 852,157.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,632.44 : 1,378,834.38 = 617,182.20 : x
  2. Step 2: Convert to fraction form
    998,632.44/1,378,834.38 = 617,182.20/x
  3. Step 3: Cross multiply
    998,632.44x = 1,378,834.38 × 617,182.20
  4. Step 4: Simplify right side
    998,632.44x = 850,992,036,084.04
  5. Step 5: Solve for x
    x = 850,992,036,084.04/998,632.44
  6. Step 6: Final answer
    x = 852,157.41

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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.