Home / 940,540.20-1,408,736.70-816,124.20

Finding the Fourth Proportional to 940,540.20, 1,408,736.70 and 816,124.20

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Solution

The fourth proportional to 940,540.20, 1,408,736.70 and 816,124.20 is: 1,222,387.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,540.20 : 1,408,736.70 = 816,124.20 : x
  2. Step 2: Convert to fraction form
    940,540.20/1,408,736.70 = 816,124.20/x
  3. Step 3: Cross multiply
    940,540.20x = 1,408,736.70 × 816,124.20
  4. Step 4: Simplify right side
    940,540.20x = 1,149,704,112,298.14
  5. Step 5: Solve for x
    x = 1,149,704,112,298.14/940,540.20
  6. Step 6: Final answer
    x = 1,222,387.00

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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.