Home / 1,586,629.44-2,380,410.72-639,512.64

Finding the Fourth Proportional to 1,586,629.44, 2,380,410.72 and 639,512.64

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Solution

The fourth proportional to 1,586,629.44, 2,380,410.72 and 639,512.64 is: 959,457.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,586,629.44 : 2,380,410.72 = 639,512.64 : x
  2. Step 2: Convert to fraction form
    1,586,629.44/2,380,410.72 = 639,512.64/x
  3. Step 3: Cross multiply
    1,586,629.44x = 2,380,410.72 × 639,512.64
  4. Step 4: Simplify right side
    1,586,629.44x = 1,522,302,743,831.50
  5. Step 5: Solve for x
    x = 1,522,302,743,831.50/1,586,629.44
  6. Step 6: Final answer
    x = 959,457.01

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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.