Home / 1,424,004.73-2,135,674.83-412,855.31

Finding the Fourth Proportional to 1,424,004.73, 2,135,674.83 and 412,855.31

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Solution

The fourth proportional to 1,424,004.73, 2,135,674.83 and 412,855.31 is: 619,186.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,424,004.73 : 2,135,674.83 = 412,855.31 : x
  2. Step 2: Convert to fraction form
    1,424,004.73/2,135,674.83 = 412,855.31/x
  3. Step 3: Cross multiply
    1,424,004.73x = 2,135,674.83 × 412,855.31
  4. Step 4: Simplify right side
    1,424,004.73x = 881,724,693,998.85
  5. Step 5: Solve for x
    x = 881,724,693,998.85/1,424,004.73
  6. Step 6: Final answer
    x = 619,186.63

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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.