Home / 1,686,732.75-2,530,057.10-789,178.77

Finding the Fourth Proportional to 1,686,732.75, 2,530,057.10 and 789,178.77

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Solution

The fourth proportional to 1,686,732.75, 2,530,057.10 and 789,178.77 is: 1,183,748.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,732.75 : 2,530,057.10 = 789,178.77 : x
  2. Step 2: Convert to fraction form
    1,686,732.75/2,530,057.10 = 789,178.77/x
  3. Step 3: Cross multiply
    1,686,732.75x = 2,530,057.10 × 789,178.77
  4. Step 4: Simplify right side
    1,686,732.75x = 1,996,667,346,261.87
  5. Step 5: Solve for x
    x = 1,996,667,346,261.87/1,686,732.75
  6. Step 6: Final answer
    x = 1,183,748.49

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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.