Home / 1,498,719.41-2,068,231.31-810,389.62

Finding the Fourth Proportional to 1,498,719.41, 2,068,231.31 and 810,389.62

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Solution

The fourth proportional to 1,498,719.41, 2,068,231.31 and 810,389.62 is: 1,118,336.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498,719.41 : 2,068,231.31 = 810,389.62 : x
  2. Step 2: Convert to fraction form
    1,498,719.41/2,068,231.31 = 810,389.62/x
  3. Step 3: Cross multiply
    1,498,719.41x = 2,068,231.31 × 810,389.62
  4. Step 4: Simplify right side
    1,498,719.41x = 1,676,073,176,160.48
  5. Step 5: Solve for x
    x = 1,676,073,176,160.48/1,498,719.41
  6. Step 6: Final answer
    x = 1,118,336.88

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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.