Home / 1,275,316.30-1,912,523.01-376,517.62

Finding the Fourth Proportional to 1,275,316.30, 1,912,523.01 and 376,517.62

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Solution

The fourth proportional to 1,275,316.30, 1,912,523.01 and 376,517.62 is: 564,643.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,316.30 : 1,912,523.01 = 376,517.62 : x
  2. Step 2: Convert to fraction form
    1,275,316.30/1,912,523.01 = 376,517.62/x
  3. Step 3: Cross multiply
    1,275,316.30x = 1,912,523.01 × 376,517.62
  4. Step 4: Simplify right side
    1,275,316.30x = 720,098,611,920.44
  5. Step 5: Solve for x
    x = 720,098,611,920.44/1,275,316.30
  6. Step 6: Final answer
    x = 564,643.15

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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.