Home / 917,926.43-1,376,563.85-269,321.59

Finding the Fourth Proportional to 917,926.43, 1,376,563.85 and 269,321.59

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Solution

The fourth proportional to 917,926.43, 1,376,563.85 and 269,321.59 is: 403,886.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,926.43 : 1,376,563.85 = 269,321.59 : x
  2. Step 2: Convert to fraction form
    917,926.43/1,376,563.85 = 269,321.59/x
  3. Step 3: Cross multiply
    917,926.43x = 1,376,563.85 × 269,321.59
  4. Step 4: Simplify right side
    917,926.43x = 370,738,366,202.57
  5. Step 5: Solve for x
    x = 370,738,366,202.57/917,926.43
  6. Step 6: Final answer
    x = 403,886.80

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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.