Home / 1,613,151.22-2,419,726.83-491,220.34

Finding the Fourth Proportional to 1,613,151.22, 2,419,726.83 and 491,220.34

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Solution

The fourth proportional to 1,613,151.22, 2,419,726.83 and 491,220.34 is: 736,830.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,151.22 : 2,419,726.83 = 491,220.34 : x
  2. Step 2: Convert to fraction form
    1,613,151.22/2,419,726.83 = 491,220.34/x
  3. Step 3: Cross multiply
    1,613,151.22x = 2,419,726.83 × 491,220.34
  4. Step 4: Simplify right side
    1,613,151.22x = 1,188,619,036,139.72
  5. Step 5: Solve for x
    x = 1,188,619,036,139.72/1,613,151.22
  6. Step 6: Final answer
    x = 736,830.51

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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.