Home / 1,420,613.56-2,131,449.73-852,402.48

Finding the Fourth Proportional to 1,420,613.56, 2,131,449.73 and 852,402.48

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Solution

The fourth proportional to 1,420,613.56, 2,131,449.73 and 852,402.48 is: 1,278,921.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,613.56 : 2,131,449.73 = 852,402.48 : x
  2. Step 2: Convert to fraction form
    1,420,613.56/2,131,449.73 = 852,402.48/x
  3. Step 3: Cross multiply
    1,420,613.56x = 2,131,449.73 × 852,402.48
  4. Step 4: Simplify right side
    1,420,613.56x = 1,816,853,033,716.32
  5. Step 5: Solve for x
    x = 1,816,853,033,716.32/1,420,613.56
  6. Step 6: Final answer
    x = 1,278,921.37

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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.