Home / 1,188,839-1,783,548.96-379,223.55

Finding the Fourth Proportional to 1,188,839, 1,783,548.96 and 379,223.55

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Solution

The fourth proportional to 1,188,839, 1,783,548.96 and 379,223.55 is: 568,927.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,839 : 1,783,548.96 = 379,223.55 : x
  2. Step 2: Convert to fraction form
    1,188,839/1,783,548.96 = 379,223.55/x
  3. Step 3: Cross multiply
    1,188,839x = 1,783,548.96 × 379,223.55
  4. Step 4: Simplify right side
    1,188,839x = 676,363,768,210.01
  5. Step 5: Solve for x
    x = 676,363,768,210.01/1,188,839
  6. Step 6: Final answer
    x = 568,927.98

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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.