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Finding the Fourth Proportional to 1,017,489, 1,526,262.66 and 269,535

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Solution

The fourth proportional to 1,017,489, 1,526,262.66 and 269,535 is: 404,310.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,489 : 1,526,262.66 = 269,535 : x
  2. Step 2: Convert to fraction form
    1,017,489/1,526,262.66 = 269,535/x
  3. Step 3: Cross multiply
    1,017,489x = 1,526,262.66 × 269,535
  4. Step 4: Simplify right side
    1,017,489x = 411,381,206,063.10
  5. Step 5: Solve for x
    x = 411,381,206,063.10/1,017,489
  6. Step 6: Final answer
    x = 404,310.22

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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.