Home / 1,002,646.78-1,383,643.14-543,771.48

Finding the Fourth Proportional to 1,002,646.78, 1,383,643.14 and 543,771.48

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Solution

The fourth proportional to 1,002,646.78, 1,383,643.14 and 543,771.48 is: 750,399.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,646.78 : 1,383,643.14 = 543,771.48 : x
  2. Step 2: Convert to fraction form
    1,002,646.78/1,383,643.14 = 543,771.48/x
  3. Step 3: Cross multiply
    1,002,646.78x = 1,383,643.14 × 543,771.48
  4. Step 4: Simplify right side
    1,002,646.78x = 752,385,678,029.65
  5. Step 5: Solve for x
    x = 752,385,678,029.65/1,002,646.78
  6. Step 6: Final answer
    x = 750,399.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.