Home / 1,628,719.15-2,443,097.54-491,491.20

Finding the Fourth Proportional to 1,628,719.15, 2,443,097.54 and 491,491.20

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Solution

The fourth proportional to 1,628,719.15, 2,443,097.54 and 491,491.20 is: 737,242.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,628,719.15 : 2,443,097.54 = 491,491.20 : x
  2. Step 2: Convert to fraction form
    1,628,719.15/2,443,097.54 = 491,491.20/x
  3. Step 3: Cross multiply
    1,628,719.15x = 2,443,097.54 × 491,491.20
  4. Step 4: Simplify right side
    1,628,719.15x = 1,200,760,941,651.65
  5. Step 5: Solve for x
    x = 1,200,760,941,651.65/1,628,719.15
  6. Step 6: Final answer
    x = 737,242.48

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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.