Home / 1,434,737.49-1,979,861.82-822,858.81

Finding the Fourth Proportional to 1,434,737.49, 1,979,861.82 and 822,858.81

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Solution

The fourth proportional to 1,434,737.49, 1,979,861.82 and 822,858.81 is: 1,135,501.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,737.49 : 1,979,861.82 = 822,858.81 : x
  2. Step 2: Convert to fraction form
    1,434,737.49/1,979,861.82 = 822,858.81/x
  3. Step 3: Cross multiply
    1,434,737.49x = 1,979,861.82 × 822,858.81
  4. Step 4: Simplify right side
    1,434,737.49x = 1,629,146,741,169.63
  5. Step 5: Solve for x
    x = 1,629,146,741,169.63/1,434,737.49
  6. Step 6: Final answer
    x = 1,135,501.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.