Home / 1,427,431.73-2,141,133.01-480,796.07

Finding the Fourth Proportional to 1,427,431.73, 2,141,133.01 and 480,796.07

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Solution

The fourth proportional to 1,427,431.73, 2,141,133.01 and 480,796.07 is: 721,189.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,431.73 : 2,141,133.01 = 480,796.07 : x
  2. Step 2: Convert to fraction form
    1,427,431.73/2,141,133.01 = 480,796.07/x
  3. Step 3: Cross multiply
    1,427,431.73x = 2,141,133.01 × 480,796.07
  4. Step 4: Simplify right side
    1,427,431.73x = 1,029,448,324,647.62
  5. Step 5: Solve for x
    x = 1,029,448,324,647.62/1,427,431.73
  6. Step 6: Final answer
    x = 721,189.19

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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.