Home / 1,110,673.49-1,666,072.54-311,892.73

Finding the Fourth Proportional to 1,110,673.49, 1,666,072.54 and 311,892.73

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Solution

The fourth proportional to 1,110,673.49, 1,666,072.54 and 311,892.73 is: 467,856.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,673.49 : 1,666,072.54 = 311,892.73 : x
  2. Step 2: Convert to fraction form
    1,110,673.49/1,666,072.54 = 311,892.73/x
  3. Step 3: Cross multiply
    1,110,673.49x = 1,666,072.54 × 311,892.73
  4. Step 4: Simplify right side
    1,110,673.49x = 519,635,912,878.63
  5. Step 5: Solve for x
    x = 519,635,912,878.63/1,110,673.49
  6. Step 6: Final answer
    x = 467,856.59

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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.