Home / 1,471,729.20-2,206,427.40-806,881.20

Finding the Fourth Proportional to 1,471,729.20, 2,206,427.40 and 806,881.20

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Solution

The fourth proportional to 1,471,729.20, 2,206,427.40 and 806,881.20 is: 1,209,682.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,471,729.20 : 2,206,427.40 = 806,881.20 : x
  2. Step 2: Convert to fraction form
    1,471,729.20/2,206,427.40 = 806,881.20/x
  3. Step 3: Cross multiply
    1,471,729.20x = 2,206,427.40 × 806,881.20
  4. Step 4: Simplify right side
    1,471,729.20x = 1,780,324,788,224.88
  5. Step 5: Solve for x
    x = 1,780,324,788,224.88/1,471,729.20
  6. Step 6: Final answer
    x = 1,209,682.32

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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.