Home / 1,336,643.10-2,004,964.65-438,114.15

Finding the Fourth Proportional to 1,336,643.10, 2,004,964.65 and 438,114.15

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Solution

The fourth proportional to 1,336,643.10, 2,004,964.65 and 438,114.15 is: 657,171.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,643.10 : 2,004,964.65 = 438,114.15 : x
  2. Step 2: Convert to fraction form
    1,336,643.10/2,004,964.65 = 438,114.15/x
  3. Step 3: Cross multiply
    1,336,643.10x = 2,004,964.65 × 438,114.15
  4. Step 4: Simplify right side
    1,336,643.10x = 878,403,383,414.80
  5. Step 5: Solve for x
    x = 878,403,383,414.80/1,336,643.10
  6. Step 6: Final answer
    x = 657,171.23

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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.