Home / 1,498,099.70-2,067,392.69-809,784.87

Finding the Fourth Proportional to 1,498,099.70, 2,067,392.69 and 809,784.87

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Solution

The fourth proportional to 1,498,099.70, 2,067,392.69 and 809,784.87 is: 1,117,511.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,498,099.70 : 2,067,392.69 = 809,784.87 : x
  2. Step 2: Convert to fraction form
    1,498,099.70/2,067,392.69 = 809,784.87/x
  3. Step 3: Cross multiply
    1,498,099.70x = 2,067,392.69 × 809,784.87
  4. Step 4: Simplify right side
    1,498,099.70x = 1,674,143,316,661.68
  5. Step 5: Solve for x
    x = 1,674,143,316,661.68/1,498,099.70
  6. Step 6: Final answer
    x = 1,117,511.29

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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.