Home / 1,547,713.09-2,135,844.06-868,649.59

Finding the Fourth Proportional to 1,547,713.09, 2,135,844.06 and 868,649.59

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Solution

The fourth proportional to 1,547,713.09, 2,135,844.06 and 868,649.59 is: 1,198,736.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,547,713.09 : 2,135,844.06 = 868,649.59 : x
  2. Step 2: Convert to fraction form
    1,547,713.09/2,135,844.06 = 868,649.59/x
  3. Step 3: Cross multiply
    1,547,713.09x = 2,135,844.06 × 868,649.59
  4. Step 4: Simplify right side
    1,547,713.09x = 1,855,300,067,022.94
  5. Step 5: Solve for x
    x = 1,855,300,067,022.94/1,547,713.09
  6. Step 6: Final answer
    x = 1,198,736.43

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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.