Home / 1,760,067.78-2,640,079.40-561,974.91

Finding the Fourth Proportional to 1,760,067.78, 2,640,079.40 and 561,974.91

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Solution

The fourth proportional to 1,760,067.78, 2,640,079.40 and 561,974.91 is: 842,955.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,760,067.78 : 2,640,079.40 = 561,974.91 : x
  2. Step 2: Convert to fraction form
    1,760,067.78/2,640,079.40 = 561,974.91/x
  3. Step 3: Cross multiply
    1,760,067.78x = 2,640,079.40 × 561,974.91
  4. Step 4: Simplify right side
    1,760,067.78x = 1,483,658,380,397.98
  5. Step 5: Solve for x
    x = 1,483,658,380,397.98/1,760,067.78
  6. Step 6: Final answer
    x = 842,955.25

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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.