Home / 1,336,640.37-2,004,159.88-425,429.25

Finding the Fourth Proportional to 1,336,640.37, 2,004,159.88 and 425,429.25

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Solution

The fourth proportional to 1,336,640.37, 2,004,159.88 and 425,429.25 is: 637,889.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,640.37 : 2,004,159.88 = 425,429.25 : x
  2. Step 2: Convert to fraction form
    1,336,640.37/2,004,159.88 = 425,429.25/x
  3. Step 3: Cross multiply
    1,336,640.37x = 2,004,159.88 × 425,429.25
  4. Step 4: Simplify right side
    1,336,640.37x = 852,628,222,480.54
  5. Step 5: Solve for x
    x = 852,628,222,480.54/1,336,640.37
  6. Step 6: Final answer
    x = 637,889.03

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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.