Home / 1,069,540.62-1,604,314.58-270,821.78

Finding the Fourth Proportional to 1,069,540.62, 1,604,314.58 and 270,821.78

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Solution

The fourth proportional to 1,069,540.62, 1,604,314.58 and 270,821.78 is: 406,233.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,540.62 : 1,604,314.58 = 270,821.78 : x
  2. Step 2: Convert to fraction form
    1,069,540.62/1,604,314.58 = 270,821.78/x
  3. Step 3: Cross multiply
    1,069,540.62x = 1,604,314.58 × 270,821.78
  4. Step 4: Simplify right side
    1,069,540.62x = 434,483,330,235.55
  5. Step 5: Solve for x
    x = 434,483,330,235.55/1,069,540.62
  6. Step 6: Final answer
    x = 406,233.59

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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.