Home / 1,294,489.13-1,942,399.01-992,821.24

Finding the Fourth Proportional to 1,294,489.13, 1,942,399.01 and 992,821.24

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Solution

The fourth proportional to 1,294,489.13, 1,942,399.01 and 992,821.24 is: 1,489,742.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,489.13 : 1,942,399.01 = 992,821.24 : x
  2. Step 2: Convert to fraction form
    1,294,489.13/1,942,399.01 = 992,821.24/x
  3. Step 3: Cross multiply
    1,294,489.13x = 1,942,399.01 × 992,821.24
  4. Step 4: Simplify right side
    1,294,489.13x = 1,928,454,991,309.03
  5. Step 5: Solve for x
    x = 1,928,454,991,309.03/1,294,489.13
  6. Step 6: Final answer
    x = 1,489,742.13

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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.