Home / 1,362,144.06-2,043,218.68-1,278,909.19

Finding the Fourth Proportional to 1,362,144.06, 2,043,218.68 and 1,278,909.19

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Solution

The fourth proportional to 1,362,144.06, 2,043,218.68 and 1,278,909.19 is: 1,918,366.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,362,144.06 : 2,043,218.68 = 1,278,909.19 : x
  2. Step 2: Convert to fraction form
    1,362,144.06/2,043,218.68 = 1,278,909.19/x
  3. Step 3: Cross multiply
    1,362,144.06x = 2,043,218.68 × 1,278,909.19
  4. Step 4: Simplify right side
    1,362,144.06x = 2,613,091,146,388.42
  5. Step 5: Solve for x
    x = 2,613,091,146,388.42/1,362,144.06
  6. Step 6: Final answer
    x = 1,918,366.22

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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.