Home / 1,678,475.37-2,512,694.78-1,028,003.43

Finding the Fourth Proportional to 1,678,475.37, 2,512,694.78 and 1,028,003.43

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Solution

The fourth proportional to 1,678,475.37, 2,512,694.78 and 1,028,003.43 is: 1,538,931.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,475.37 : 2,512,694.78 = 1,028,003.43 : x
  2. Step 2: Convert to fraction form
    1,678,475.37/2,512,694.78 = 1,028,003.43/x
  3. Step 3: Cross multiply
    1,678,475.37x = 2,512,694.78 × 1,028,003.43
  4. Step 4: Simplify right side
    1,678,475.37x = 2,583,058,852,383.10
  5. Step 5: Solve for x
    x = 2,583,058,852,383.10/1,678,475.37
  6. Step 6: Final answer
    x = 1,538,931.64

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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.