Home / 1,188,016.35-1,781,935.01-378,368.11

Finding the Fourth Proportional to 1,188,016.35, 1,781,935.01 and 378,368.11

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Solution

The fourth proportional to 1,188,016.35, 1,781,935.01 and 378,368.11 is: 567,523.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,016.35 : 1,781,935.01 = 378,368.11 : x
  2. Step 2: Convert to fraction form
    1,188,016.35/1,781,935.01 = 378,368.11/x
  3. Step 3: Cross multiply
    1,188,016.35x = 1,781,935.01 × 378,368.11
  4. Step 4: Simplify right side
    1,188,016.35x = 674,227,379,984.69
  5. Step 5: Solve for x
    x = 674,227,379,984.69/1,188,016.35
  6. Step 6: Final answer
    x = 567,523.65

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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.