Home / 1,274,682.88-1,912,428.78-376,129

Finding the Fourth Proportional to 1,274,682.88, 1,912,428.78 and 376,129

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Solution

The fourth proportional to 1,274,682.88, 1,912,428.78 and 376,129 is: 564,312.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,682.88 : 1,912,428.78 = 376,129 : x
  2. Step 2: Convert to fraction form
    1,274,682.88/1,912,428.78 = 376,129/x
  3. Step 3: Cross multiply
    1,274,682.88x = 1,912,428.78 × 376,129
  4. Step 4: Simplify right side
    1,274,682.88x = 719,319,924,592.62
  5. Step 5: Solve for x
    x = 719,319,924,592.62/1,274,682.88
  6. Step 6: Final answer
    x = 564,312.85

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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.