Home / 1,388,664.62-2,079,633.18-961,002.08

Finding the Fourth Proportional to 1,388,664.62, 2,079,633.18 and 961,002.08

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Solution

The fourth proportional to 1,388,664.62, 2,079,633.18 and 961,002.08 is: 1,439,175.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,388,664.62 : 2,079,633.18 = 961,002.08 : x
  2. Step 2: Convert to fraction form
    1,388,664.62/2,079,633.18 = 961,002.08/x
  3. Step 3: Cross multiply
    1,388,664.62x = 2,079,633.18 × 961,002.08
  4. Step 4: Simplify right side
    1,388,664.62x = 1,998,531,811,617.01
  5. Step 5: Solve for x
    x = 1,998,531,811,617.01/1,388,664.62
  6. Step 6: Final answer
    x = 1,439,175.29

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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.