Home / 1,188,010.61-1,781,926.38-378,362.36

Finding the Fourth Proportional to 1,188,010.61, 1,781,926.38 and 378,362.36

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Solution

The fourth proportional to 1,188,010.61, 1,781,926.38 and 378,362.36 is: 567,515.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,010.61 : 1,781,926.38 = 378,362.36 : x
  2. Step 2: Convert to fraction form
    1,188,010.61/1,781,926.38 = 378,362.36/x
  3. Step 3: Cross multiply
    1,188,010.61x = 1,781,926.38 × 378,362.36
  4. Step 4: Simplify right side
    1,188,010.61x = 674,213,861,573.43
  5. Step 5: Solve for x
    x = 674,213,861,573.43/1,188,010.61
  6. Step 6: Final answer
    x = 567,515.02

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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.