Home / 999,023.22-1,498,629.47-279,364.88

Finding the Fourth Proportional to 999,023.22, 1,498,629.47 and 279,364.88

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Solution

The fourth proportional to 999,023.22, 1,498,629.47 and 279,364.88 is: 419,073.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,023.22 : 1,498,629.47 = 279,364.88 : x
  2. Step 2: Convert to fraction form
    999,023.22/1,498,629.47 = 279,364.88/x
  3. Step 3: Cross multiply
    999,023.22x = 1,498,629.47 × 279,364.88
  4. Step 4: Simplify right side
    999,023.22x = 418,664,444,400.76
  5. Step 5: Solve for x
    x = 418,664,444,400.76/999,023.22
  6. Step 6: Final answer
    x = 419,073.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.