Home / 1,274,686.38-1,912,434.03-376,132.50

Finding the Fourth Proportional to 1,274,686.38, 1,912,434.03 and 376,132.50

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Solution

The fourth proportional to 1,274,686.38, 1,912,434.03 and 376,132.50 is: 564,318.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,686.38 : 1,912,434.03 = 376,132.50 : x
  2. Step 2: Convert to fraction form
    1,274,686.38/1,912,434.03 = 376,132.50/x
  3. Step 3: Cross multiply
    1,274,686.38x = 1,912,434.03 × 376,132.50
  4. Step 4: Simplify right side
    1,274,686.38x = 719,328,592,788.98
  5. Step 5: Solve for x
    x = 719,328,592,788.98/1,274,686.38
  6. Step 6: Final answer
    x = 564,318.10

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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.