Home / 1,274,687.28-1,912,083.66-376,128.98

Finding the Fourth Proportional to 1,274,687.28, 1,912,083.66 and 376,128.98

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Solution

The fourth proportional to 1,274,687.28, 1,912,083.66 and 376,128.98 is: 564,209.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,687.28 : 1,912,083.66 = 376,128.98 : x
  2. Step 2: Convert to fraction form
    1,274,687.28/1,912,083.66 = 376,128.98/x
  3. Step 3: Cross multiply
    1,274,687.28x = 1,912,083.66 × 376,128.98
  4. Step 4: Simplify right side
    1,274,687.28x = 719,190,076,710.47
  5. Step 5: Solve for x
    x = 719,190,076,710.47/1,274,687.28
  6. Step 6: Final answer
    x = 564,209.03

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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.