Home / 1,540,892.40-2,311,295.40-699,442.80

Finding the Fourth Proportional to 1,540,892.40, 2,311,295.40 and 699,442.80

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Solution

The fourth proportional to 1,540,892.40, 2,311,295.40 and 699,442.80 is: 1,049,144.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,892.40 : 2,311,295.40 = 699,442.80 : x
  2. Step 2: Convert to fraction form
    1,540,892.40/2,311,295.40 = 699,442.80/x
  3. Step 3: Cross multiply
    1,540,892.40x = 2,311,295.40 × 699,442.80
  4. Step 4: Simplify right side
    1,540,892.40x = 1,616,618,926,203.12
  5. Step 5: Solve for x
    x = 1,616,618,926,203.12/1,540,892.40
  6. Step 6: Final answer
    x = 1,049,144.59

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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.