Home / 1,464,198.68-2,020,568.83-810,811.74

Finding the Fourth Proportional to 1,464,198.68, 2,020,568.83 and 810,811.74

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Solution

The fourth proportional to 1,464,198.68, 2,020,568.83 and 810,811.74 is: 1,118,906.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464,198.68 : 2,020,568.83 = 810,811.74 : x
  2. Step 2: Convert to fraction form
    1,464,198.68/2,020,568.83 = 810,811.74/x
  3. Step 3: Cross multiply
    1,464,198.68x = 2,020,568.83 × 810,811.74
  4. Step 4: Simplify right side
    1,464,198.68x = 1,638,300,928,842.06
  5. Step 5: Solve for x
    x = 1,638,300,928,842.06/1,464,198.68
  6. Step 6: Final answer
    x = 1,118,906.16

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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.