Home / 1,274,689.30-1,912,086.70-376,131

Finding the Fourth Proportional to 1,274,689.30, 1,912,086.70 and 376,131

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Solution

The fourth proportional to 1,274,689.30, 1,912,086.70 and 376,131 is: 564,212.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,689.30 : 1,912,086.70 = 376,131 : x
  2. Step 2: Convert to fraction form
    1,274,689.30/1,912,086.70 = 376,131/x
  3. Step 3: Cross multiply
    1,274,689.30x = 1,912,086.70 × 376,131
  4. Step 4: Simplify right side
    1,274,689.30x = 719,195,082,557.70
  5. Step 5: Solve for x
    x = 719,195,082,557.70/1,274,689.30
  6. Step 6: Final answer
    x = 564,212.07

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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.