Home / 1,069,072.20-1,474,137.36-681,273.30

Finding the Fourth Proportional to 1,069,072.20, 1,474,137.36 and 681,273.30

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Solution

The fourth proportional to 1,069,072.20, 1,474,137.36 and 681,273.30 is: 939,403.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,072.20 : 1,474,137.36 = 681,273.30 : x
  2. Step 2: Convert to fraction form
    1,069,072.20/1,474,137.36 = 681,273.30/x
  3. Step 3: Cross multiply
    1,069,072.20x = 1,474,137.36 × 681,273.30
  4. Step 4: Simplify right side
    1,069,072.20x = 1,004,290,423,900.49
  5. Step 5: Solve for x
    x = 1,004,290,423,900.49/1,069,072.20
  6. Step 6: Final answer
    x = 939,403.74

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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.