Home / 1,491,410.40-2,234,491.20-1,223,721.60

Finding the Fourth Proportional to 1,491,410.40, 2,234,491.20 and 1,223,721.60

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Solution

The fourth proportional to 1,491,410.40, 2,234,491.20 and 1,223,721.60 is: 1,833,429.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,410.40 : 2,234,491.20 = 1,223,721.60 : x
  2. Step 2: Convert to fraction form
    1,491,410.40/2,234,491.20 = 1,223,721.60/x
  3. Step 3: Cross multiply
    1,491,410.40x = 2,234,491.20 × 1,223,721.60
  4. Step 4: Simplify right side
    1,491,410.40x = 2,734,395,146,449.92
  5. Step 5: Solve for x
    x = 2,734,395,146,449.92/1,491,410.40
  6. Step 6: Final answer
    x = 1,833,429.05

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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.