Home / 1,101,110.81-1,520,067.06-738,402.26

Finding the Fourth Proportional to 1,101,110.81, 1,520,067.06 and 738,402.26

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Solution

The fourth proportional to 1,101,110.81, 1,520,067.06 and 738,402.26 is: 1,019,353.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,110.81 : 1,520,067.06 = 738,402.26 : x
  2. Step 2: Convert to fraction form
    1,101,110.81/1,520,067.06 = 738,402.26/x
  3. Step 3: Cross multiply
    1,101,110.81x = 1,520,067.06 × 738,402.26
  4. Step 4: Simplify right side
    1,101,110.81x = 1,122,420,944,855.22
  5. Step 5: Solve for x
    x = 1,122,420,944,855.22/1,101,110.81
  6. Step 6: Final answer
    x = 1,019,353.31

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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.