Home / 1,274,906.57-1,911,914.22-376,109.78

Finding the Fourth Proportional to 1,274,906.57, 1,911,914.22 and 376,109.78

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Solution

The fourth proportional to 1,274,906.57, 1,911,914.22 and 376,109.78 is: 564,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,274,906.57 : 1,911,914.22 = 376,109.78 : x
  2. Step 2: Convert to fraction form
    1,274,906.57/1,911,914.22 = 376,109.78/x
  3. Step 3: Cross multiply
    1,274,906.57x = 1,911,914.22 × 376,109.78
  4. Step 4: Simplify right side
    1,274,906.57x = 719,089,636,663.07
  5. Step 5: Solve for x
    x = 719,089,636,663.07/1,274,906.57
  6. Step 6: Final answer
    x = 564,033.20

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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.