Home / 1,002,643.19-1,383,638.18-543,767.89

Finding the Fourth Proportional to 1,002,643.19, 1,383,638.18 and 543,767.89

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Solution

The fourth proportional to 1,002,643.19, 1,383,638.18 and 543,767.89 is: 750,394.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,643.19 : 1,383,638.18 = 543,767.89 : x
  2. Step 2: Convert to fraction form
    1,002,643.19/1,383,638.18 = 543,767.89/x
  3. Step 3: Cross multiply
    1,002,643.19x = 1,383,638.18 × 543,767.89
  4. Step 4: Simplify right side
    1,002,643.19x = 752,378,009,523.24
  5. Step 5: Solve for x
    x = 752,378,009,523.24/1,002,643.19
  6. Step 6: Final answer
    x = 750,394.58

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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.