Home / 1,335,100.82-2,002,842.12-411,935

Finding the Fourth Proportional to 1,335,100.82, 2,002,842.12 and 411,935

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Solution

The fourth proportional to 1,335,100.82, 2,002,842.12 and 411,935 is: 617,961.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,335,100.82 : 2,002,842.12 = 411,935 : x
  2. Step 2: Convert to fraction form
    1,335,100.82/2,002,842.12 = 411,935/x
  3. Step 3: Cross multiply
    1,335,100.82x = 2,002,842.12 × 411,935
  4. Step 4: Simplify right side
    1,335,100.82x = 825,040,768,702.20
  5. Step 5: Solve for x
    x = 825,040,768,702.20/1,335,100.82
  6. Step 6: Final answer
    x = 617,961.40

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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.