Home / 1,226,034.23-1,839,061.77-427,314.49

Finding the Fourth Proportional to 1,226,034.23, 1,839,061.77 and 427,314.49

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Solution

The fourth proportional to 1,226,034.23, 1,839,061.77 and 427,314.49 is: 640,975.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,034.23 : 1,839,061.77 = 427,314.49 : x
  2. Step 2: Convert to fraction form
    1,226,034.23/1,839,061.77 = 427,314.49/x
  3. Step 3: Cross multiply
    1,226,034.23x = 1,839,061.77 × 427,314.49
  4. Step 4: Simplify right side
    1,226,034.23x = 785,857,736,125.96
  5. Step 5: Solve for x
    x = 785,857,736,125.96/1,226,034.23
  6. Step 6: Final answer
    x = 640,975.37

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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.