Home / 917,584.20-1,376,376.30-681,388.20

Finding the Fourth Proportional to 917,584.20, 1,376,376.30 and 681,388.20

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Solution

The fourth proportional to 917,584.20, 1,376,376.30 and 681,388.20 is: 1,022,082.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,584.20 : 1,376,376.30 = 681,388.20 : x
  2. Step 2: Convert to fraction form
    917,584.20/1,376,376.30 = 681,388.20/x
  3. Step 3: Cross multiply
    917,584.20x = 1,376,376.30 × 681,388.20
  4. Step 4: Simplify right side
    917,584.20x = 937,846,569,579.66
  5. Step 5: Solve for x
    x = 937,846,569,579.66/917,584.20
  6. Step 6: Final answer
    x = 1,022,082.30

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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.