Home / 1,226,572.68-1,839,191.22-427,639.44

Finding the Fourth Proportional to 1,226,572.68, 1,839,191.22 and 427,639.44

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Solution

The fourth proportional to 1,226,572.68, 1,839,191.22 and 427,639.44 is: 641,226.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,572.68 : 1,839,191.22 = 427,639.44 : x
  2. Step 2: Convert to fraction form
    1,226,572.68/1,839,191.22 = 427,639.44/x
  3. Step 3: Cross multiply
    1,226,572.68x = 1,839,191.22 × 427,639.44
  4. Step 4: Simplify right side
    1,226,572.68x = 786,510,703,373.72
  5. Step 5: Solve for x
    x = 786,510,703,373.72/1,226,572.68
  6. Step 6: Final answer
    x = 641,226.33

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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.