Home / 998,571.60-1,497,857.40-839,139.30

Finding the Fourth Proportional to 998,571.60, 1,497,857.40 and 839,139.30

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Solution

The fourth proportional to 998,571.60, 1,497,857.40 and 839,139.30 is: 1,258,708.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,571.60 : 1,497,857.40 = 839,139.30 : x
  2. Step 2: Convert to fraction form
    998,571.60/1,497,857.40 = 839,139.30/x
  3. Step 3: Cross multiply
    998,571.60x = 1,497,857.40 × 839,139.30
  4. Step 4: Simplify right side
    998,571.60x = 1,256,911,010,135.82
  5. Step 5: Solve for x
    x = 1,256,911,010,135.82/998,571.60
  6. Step 6: Final answer
    x = 1,258,708.95

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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.