Home / 1,002,646.82-1,383,643.18-543,771.52

Finding the Fourth Proportional to 1,002,646.82, 1,383,643.18 and 543,771.52

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Solution

The fourth proportional to 1,002,646.82, 1,383,643.18 and 543,771.52 is: 750,399.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,646.82 : 1,383,643.18 = 543,771.52 : x
  2. Step 2: Convert to fraction form
    1,002,646.82/1,383,643.18 = 543,771.52/x
  3. Step 3: Cross multiply
    1,002,646.82x = 1,383,643.18 × 543,771.52
  4. Step 4: Simplify right side
    1,002,646.82x = 752,385,755,126.23
  5. Step 5: Solve for x
    x = 752,385,755,126.23/1,002,646.82
  6. Step 6: Final answer
    x = 750,399.58

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1.5x scale

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.