Home / 1,226,940.74-1,692,784.41-743,351.30

Finding the Fourth Proportional to 1,226,940.74, 1,692,784.41 and 743,351.30

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Solution

The fourth proportional to 1,226,940.74, 1,692,784.41 and 743,351.30 is: 1,025,586.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,940.74 : 1,692,784.41 = 743,351.30 : x
  2. Step 2: Convert to fraction form
    1,226,940.74/1,692,784.41 = 743,351.30/x
  3. Step 3: Cross multiply
    1,226,940.74x = 1,692,784.41 × 743,351.30
  4. Step 4: Simplify right side
    1,226,940.74x = 1,258,333,491,793.23
  5. Step 5: Solve for x
    x = 1,258,333,491,793.23/1,226,940.74
  6. Step 6: Final answer
    x = 1,025,586.20

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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.