Home / 1,200,954.23-1,805,752.38-1,107,329.78

Finding the Fourth Proportional to 1,200,954.23, 1,805,752.38 and 1,107,329.78

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Solution

The fourth proportional to 1,200,954.23, 1,805,752.38 and 1,107,329.78 is: 1,664,978.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,954.23 : 1,805,752.38 = 1,107,329.78 : x
  2. Step 2: Convert to fraction form
    1,200,954.23/1,805,752.38 = 1,107,329.78/x
  3. Step 3: Cross multiply
    1,200,954.23x = 1,805,752.38 × 1,107,329.78
  4. Step 4: Simplify right side
    1,200,954.23x = 1,999,563,385,679.88
  5. Step 5: Solve for x
    x = 1,999,563,385,679.88/1,200,954.23
  6. Step 6: Final answer
    x = 1,664,978.84

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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.