Home / 1,313,178.87-1,813,030.23-823,819.30

Finding the Fourth Proportional to 1,313,178.87, 1,813,030.23 and 823,819.30

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Solution

The fourth proportional to 1,313,178.87, 1,813,030.23 and 823,819.30 is: 1,137,399.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,178.87 : 1,813,030.23 = 823,819.30 : x
  2. Step 2: Convert to fraction form
    1,313,178.87/1,813,030.23 = 823,819.30/x
  3. Step 3: Cross multiply
    1,313,178.87x = 1,813,030.23 × 823,819.30
  4. Step 4: Simplify right side
    1,313,178.87x = 1,493,609,294,957.44
  5. Step 5: Solve for x
    x = 1,493,609,294,957.44/1,313,178.87
  6. Step 6: Final answer
    x = 1,137,399.73

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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.