Home / 1,017,915.72-1,526,953.68-269,961.72

Finding the Fourth Proportional to 1,017,915.72, 1,526,953.68 and 269,961.72

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Solution

The fourth proportional to 1,017,915.72, 1,526,953.68 and 269,961.72 is: 404,963.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,915.72 : 1,526,953.68 = 269,961.72 : x
  2. Step 2: Convert to fraction form
    1,017,915.72/1,526,953.68 = 269,961.72/x
  3. Step 3: Cross multiply
    1,017,915.72x = 1,526,953.68 × 269,961.72
  4. Step 4: Simplify right side
    1,017,915.72x = 412,219,041,813.13
  5. Step 5: Solve for x
    x = 412,219,041,813.13/1,017,915.72
  6. Step 6: Final answer
    x = 404,963.82

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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.