Home / 1,278,306.52-1,764,003.88-734,059.44

Finding the Fourth Proportional to 1,278,306.52, 1,764,003.88 and 734,059.44

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Solution

The fourth proportional to 1,278,306.52, 1,764,003.88 and 734,059.44 is: 1,012,968.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,306.52 : 1,764,003.88 = 734,059.44 : x
  2. Step 2: Convert to fraction form
    1,278,306.52/1,764,003.88 = 734,059.44/x
  3. Step 3: Cross multiply
    1,278,306.52x = 1,764,003.88 × 734,059.44
  4. Step 4: Simplify right side
    1,278,306.52x = 1,294,883,700,310.63
  5. Step 5: Solve for x
    x = 1,294,883,700,310.63/1,278,306.52
  6. Step 6: Final answer
    x = 1,012,968.08

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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.