Home / 1,917,671.68-2,875,759.80-718,940.64

Finding the Fourth Proportional to 1,917,671.68, 2,875,759.80 and 718,940.64

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Solution

The fourth proportional to 1,917,671.68, 2,875,759.80 and 718,940.64 is: 1,078,130.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,917,671.68 : 2,875,759.80 = 718,940.64 : x
  2. Step 2: Convert to fraction form
    1,917,671.68/2,875,759.80 = 718,940.64/x
  3. Step 3: Cross multiply
    1,917,671.68x = 2,875,759.80 × 718,940.64
  4. Step 4: Simplify right side
    1,917,671.68x = 2,067,500,591,098.27
  5. Step 5: Solve for x
    x = 2,067,500,591,098.27/1,917,671.68
  6. Step 6: Final answer
    x = 1,078,130.64

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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.