Home / 1,224,919.98-1,690,466.13-681,177.42

Finding the Fourth Proportional to 1,224,919.98, 1,690,466.13 and 681,177.42

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Solution

The fourth proportional to 1,224,919.98, 1,690,466.13 and 681,177.42 is: 940,067.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,224,919.98 : 1,690,466.13 = 681,177.42 : x
  2. Step 2: Convert to fraction form
    1,224,919.98/1,690,466.13 = 681,177.42/x
  3. Step 3: Cross multiply
    1,224,919.98x = 1,690,466.13 × 681,177.42
  4. Step 4: Simplify right side
    1,224,919.98x = 1,151,507,357,030.78
  5. Step 5: Solve for x
    x = 1,151,507,357,030.78/1,224,919.98
  6. Step 6: Final answer
    x = 940,067.41

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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.