Home / 1,217,974.33-1,680,690.69-727,846.58

Finding the Fourth Proportional to 1,217,974.33, 1,680,690.69 and 727,846.58

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Solution

The fourth proportional to 1,217,974.33, 1,680,690.69 and 727,846.58 is: 1,004,360.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,974.33 : 1,680,690.69 = 727,846.58 : x
  2. Step 2: Convert to fraction form
    1,217,974.33/1,680,690.69 = 727,846.58/x
  3. Step 3: Cross multiply
    1,217,974.33x = 1,680,690.69 × 727,846.58
  4. Step 4: Simplify right side
    1,217,974.33x = 1,223,284,968,791.51
  5. Step 5: Solve for x
    x = 1,223,284,968,791.51/1,217,974.33
  6. Step 6: Final answer
    x = 1,004,360.22

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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.