Home / 1,008,045.05-1,512,067.58-871,187.45

Finding the Fourth Proportional to 1,008,045.05, 1,512,067.58 and 871,187.45

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Solution

The fourth proportional to 1,008,045.05, 1,512,067.58 and 871,187.45 is: 1,306,781.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,045.05 : 1,512,067.58 = 871,187.45 : x
  2. Step 2: Convert to fraction form
    1,008,045.05/1,512,067.58 = 871,187.45/x
  3. Step 3: Cross multiply
    1,008,045.05x = 1,512,067.58 × 871,187.45
  4. Step 4: Simplify right side
    1,008,045.05x = 1,317,294,294,891.93
  5. Step 5: Solve for x
    x = 1,317,294,294,891.93/1,008,045.05
  6. Step 6: Final answer
    x = 1,306,781.18

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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.