Home / 1,111,197-1,666,783.34-269,748.74

Finding the Fourth Proportional to 1,111,197, 1,666,783.34 and 269,748.74

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Solution

The fourth proportional to 1,111,197, 1,666,783.34 and 269,748.74 is: 404,620.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,197 : 1,666,783.34 = 269,748.74 : x
  2. Step 2: Convert to fraction form
    1,111,197/1,666,783.34 = 269,748.74/x
  3. Step 3: Cross multiply
    1,111,197x = 1,666,783.34 × 269,748.74
  4. Step 4: Simplify right side
    1,111,197x = 449,612,705,817.99
  5. Step 5: Solve for x
    x = 449,612,705,817.99/1,111,197
  6. Step 6: Final answer
    x = 404,620.16

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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.