Home / 1,364,078.42-2,046,117.51-765,086.29

Finding the Fourth Proportional to 1,364,078.42, 2,046,117.51 and 765,086.29

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Solution

The fourth proportional to 1,364,078.42, 2,046,117.51 and 765,086.29 is: 1,147,629.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,364,078.42 : 2,046,117.51 = 765,086.29 : x
  2. Step 2: Convert to fraction form
    1,364,078.42/2,046,117.51 = 765,086.29/x
  3. Step 3: Cross multiply
    1,364,078.42x = 2,046,117.51 × 765,086.29
  4. Step 4: Simplify right side
    1,364,078.42x = 1,565,456,449,514.64
  5. Step 5: Solve for x
    x = 1,565,456,449,514.64/1,364,078.42
  6. Step 6: Final answer
    x = 1,147,629.36

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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.