Home / 1,109,738.15-1,531,274.45-673,928.85

Finding the Fourth Proportional to 1,109,738.15, 1,531,274.45 and 673,928.85

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Solution

The fourth proportional to 1,109,738.15, 1,531,274.45 and 673,928.85 is: 929,922.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,738.15 : 1,531,274.45 = 673,928.85 : x
  2. Step 2: Convert to fraction form
    1,109,738.15/1,531,274.45 = 673,928.85/x
  3. Step 3: Cross multiply
    1,109,738.15x = 1,531,274.45 × 673,928.85
  4. Step 4: Simplify right side
    1,109,738.15x = 1,031,970,025,753.24
  5. Step 5: Solve for x
    x = 1,031,970,025,753.24/1,109,738.15
  6. Step 6: Final answer
    x = 929,922.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.