Home / 1,491,538.58-2,058,256.84-871,401.23

Finding the Fourth Proportional to 1,491,538.58, 2,058,256.84 and 871,401.23

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Solution

The fourth proportional to 1,491,538.58, 2,058,256.84 and 871,401.23 is: 1,202,494.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,538.58 : 2,058,256.84 = 871,401.23 : x
  2. Step 2: Convert to fraction form
    1,491,538.58/2,058,256.84 = 871,401.23/x
  3. Step 3: Cross multiply
    1,491,538.58x = 2,058,256.84 × 871,401.23
  4. Step 4: Simplify right side
    1,491,538.58x = 1,793,567,527,383.62
  5. Step 5: Solve for x
    x = 1,793,567,527,383.62/1,491,538.58
  6. Step 6: Final answer
    x = 1,202,494.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.