Home / 1,143,221.50-1,577,531.94-659,942.33

Finding the Fourth Proportional to 1,143,221.50, 1,577,531.94 and 659,942.33

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Solution

The fourth proportional to 1,143,221.50, 1,577,531.94 and 659,942.33 is: 910,654.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,221.50 : 1,577,531.94 = 659,942.33 : x
  2. Step 2: Convert to fraction form
    1,143,221.50/1,577,531.94 = 659,942.33/x
  3. Step 3: Cross multiply
    1,143,221.50x = 1,577,531.94 × 659,942.33
  4. Step 4: Simplify right side
    1,143,221.50x = 1,041,080,104,133.02
  5. Step 5: Solve for x
    x = 1,041,080,104,133.02/1,143,221.50
  6. Step 6: Final answer
    x = 910,654.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.