Home / 748,940.20-1,123,410.30-744,274.60

Finding the Fourth Proportional to 748,940.20, 1,123,410.30 and 744,274.60

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Solution

The fourth proportional to 748,940.20, 1,123,410.30 and 744,274.60 is: 1,116,411.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,940.20 : 1,123,410.30 = 744,274.60 : x
  2. Step 2: Convert to fraction form
    748,940.20/1,123,410.30 = 744,274.60/x
  3. Step 3: Cross multiply
    748,940.20x = 1,123,410.30 × 744,274.60
  4. Step 4: Simplify right side
    748,940.20x = 836,125,751,668.38
  5. Step 5: Solve for x
    x = 836,125,751,668.38/748,940.20
  6. Step 6: Final answer
    x = 1,116,411.90

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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.