Home / 1,613,279.26-2,421,414.27-815,121.76

Finding the Fourth Proportional to 1,613,279.26, 2,421,414.27 and 815,121.76

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Solution

The fourth proportional to 1,613,279.26, 2,421,414.27 and 815,121.76 is: 1,223,438.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,613,279.26 : 2,421,414.27 = 815,121.76 : x
  2. Step 2: Convert to fraction form
    1,613,279.26/2,421,414.27 = 815,121.76/x
  3. Step 3: Cross multiply
    1,613,279.26x = 2,421,414.27 × 815,121.76
  4. Step 4: Simplify right side
    1,613,279.26x = 1,973,747,461,451.52
  5. Step 5: Solve for x
    x = 1,973,747,461,451.52/1,613,279.26
  6. Step 6: Final answer
    x = 1,223,438.19

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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.