Home / 1,230,028.16-1,843,694.40-481,251.20

Finding the Fourth Proportional to 1,230,028.16, 1,843,694.40 and 481,251.20

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Solution

The fourth proportional to 1,230,028.16, 1,843,694.40 and 481,251.20 is: 721,349.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,230,028.16 : 1,843,694.40 = 481,251.20 : x
  2. Step 2: Convert to fraction form
    1,230,028.16/1,843,694.40 = 481,251.20/x
  3. Step 3: Cross multiply
    1,230,028.16x = 1,843,694.40 × 481,251.20
  4. Step 4: Simplify right side
    1,230,028.16x = 887,280,142,433.28
  5. Step 5: Solve for x
    x = 887,280,142,433.28/1,230,028.16
  6. Step 6: Final answer
    x = 721,349.45

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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.