Home / 1,188,838.50-1,783,548.21-379,223.05

Finding the Fourth Proportional to 1,188,838.50, 1,783,548.21 and 379,223.05

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Solution

The fourth proportional to 1,188,838.50, 1,783,548.21 and 379,223.05 is: 568,927.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,838.50 : 1,783,548.21 = 379,223.05 : x
  2. Step 2: Convert to fraction form
    1,188,838.50/1,783,548.21 = 379,223.05/x
  3. Step 3: Cross multiply
    1,188,838.50x = 1,783,548.21 × 379,223.05
  4. Step 4: Simplify right side
    1,188,838.50x = 676,362,592,018.24
  5. Step 5: Solve for x
    x = 676,362,592,018.24/1,188,838.50
  6. Step 6: Final answer
    x = 568,927.23

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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.