Home / 1,462,769.28-2,194,363.81-451,979.49

Finding the Fourth Proportional to 1,462,769.28, 2,194,363.81 and 451,979.49

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Solution

The fourth proportional to 1,462,769.28, 2,194,363.81 and 451,979.49 is: 678,034.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,462,769.28 : 2,194,363.81 = 451,979.49 : x
  2. Step 2: Convert to fraction form
    1,462,769.28/2,194,363.81 = 451,979.49/x
  3. Step 3: Cross multiply
    1,462,769.28x = 2,194,363.81 × 451,979.49
  4. Step 4: Simplify right side
    1,462,769.28x = 991,807,433,740.85
  5. Step 5: Solve for x
    x = 991,807,433,740.85/1,462,769.28
  6. Step 6: Final answer
    x = 678,034.09

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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.