Home / 1,449,619.39-2,000,419.94-805,081.10

Finding the Fourth Proportional to 1,449,619.39, 2,000,419.94 and 805,081.10

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Solution

The fourth proportional to 1,449,619.39, 2,000,419.94 and 805,081.10 is: 1,110,981.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,619.39 : 2,000,419.94 = 805,081.10 : x
  2. Step 2: Convert to fraction form
    1,449,619.39/2,000,419.94 = 805,081.10/x
  3. Step 3: Cross multiply
    1,449,619.39x = 2,000,419.94 × 805,081.10
  4. Step 4: Simplify right side
    1,449,619.39x = 1,610,500,275,755.03
  5. Step 5: Solve for x
    x = 1,610,500,275,755.03/1,449,619.39
  6. Step 6: Final answer
    x = 1,110,981.47

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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.