Home / 1,008,045.05-1,512,067.56-905,401.85

Finding the Fourth Proportional to 1,008,045.05, 1,512,067.56 and 905,401.85

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Solution

The fourth proportional to 1,008,045.05, 1,512,067.56 and 905,401.85 is: 1,358,102.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,045.05 : 1,512,067.56 = 905,401.85 : x
  2. Step 2: Convert to fraction form
    1,008,045.05/1,512,067.56 = 905,401.85/x
  3. Step 3: Cross multiply
    1,008,045.05x = 1,512,067.56 × 905,401.85
  4. Step 4: Simplify right side
    1,008,045.05x = 1,369,028,758,588.65
  5. Step 5: Solve for x
    x = 1,369,028,758,588.65/1,008,045.05
  6. Step 6: Final answer
    x = 1,358,102.76

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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.