Home / 1,258,232.64-1,887,629.16-459,512.90

Finding the Fourth Proportional to 1,258,232.64, 1,887,629.16 and 459,512.90

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Solution

The fourth proportional to 1,258,232.64, 1,887,629.16 and 459,512.90 is: 689,371.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,258,232.64 : 1,887,629.16 = 459,512.90 : x
  2. Step 2: Convert to fraction form
    1,258,232.64/1,887,629.16 = 459,512.90/x
  3. Step 3: Cross multiply
    1,258,232.64x = 1,887,629.16 × 459,512.90
  4. Step 4: Simplify right side
    1,258,232.64x = 867,389,948,799.80
  5. Step 5: Solve for x
    x = 867,389,948,799.80/1,258,232.64
  6. Step 6: Final answer
    x = 689,371.68

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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.