Home / 1,226,636.68-1,839,287.56-427,704.52

Finding the Fourth Proportional to 1,226,636.68, 1,839,287.56 and 427,704.52

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Solution

The fourth proportional to 1,226,636.68, 1,839,287.56 and 427,704.52 is: 641,324.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,636.68 : 1,839,287.56 = 427,704.52 : x
  2. Step 2: Convert to fraction form
    1,226,636.68/1,839,287.56 = 427,704.52/x
  3. Step 3: Cross multiply
    1,226,636.68x = 1,839,287.56 × 427,704.52
  4. Step 4: Simplify right side
    1,226,636.68x = 786,671,602,991.77
  5. Step 5: Solve for x
    x = 786,671,602,991.77/1,226,636.68
  6. Step 6: Final answer
    x = 641,324.05

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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.