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Finding the Fourth Proportional to 1,017,486, 1,526,258.16 and 269,532

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Solution

The fourth proportional to 1,017,486, 1,526,258.16 and 269,532 is: 404,305.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,486 : 1,526,258.16 = 269,532 : x
  2. Step 2: Convert to fraction form
    1,017,486/1,526,258.16 = 269,532/x
  3. Step 3: Cross multiply
    1,017,486x = 1,526,258.16 × 269,532
  4. Step 4: Simplify right side
    1,017,486x = 411,375,414,381.12
  5. Step 5: Solve for x
    x = 411,375,414,381.12/1,017,486
  6. Step 6: Final answer
    x = 404,305.72

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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.