Home / 1,189,739.01-1,780,843.73-762,704.18

Finding the Fourth Proportional to 1,189,739.01, 1,780,843.73 and 762,704.18

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Solution

The fourth proportional to 1,189,739.01, 1,780,843.73 and 762,704.18 is: 1,141,642.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,739.01 : 1,780,843.73 = 762,704.18 : x
  2. Step 2: Convert to fraction form
    1,189,739.01/1,780,843.73 = 762,704.18/x
  3. Step 3: Cross multiply
    1,189,739.01x = 1,780,843.73 × 762,704.18
  4. Step 4: Simplify right side
    1,189,739.01x = 1,358,256,944,080.05
  5. Step 5: Solve for x
    x = 1,358,256,944,080.05/1,189,739.01
  6. Step 6: Final answer
    x = 1,141,642.77

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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.