Home / 1,022,357.27-1,410,834.68-557,215.33

Finding the Fourth Proportional to 1,022,357.27, 1,410,834.68 and 557,215.33

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Solution

The fourth proportional to 1,022,357.27, 1,410,834.68 and 557,215.33 is: 768,947.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,022,357.27 : 1,410,834.68 = 557,215.33 : x
  2. Step 2: Convert to fraction form
    1,022,357.27/1,410,834.68 = 557,215.33/x
  3. Step 3: Cross multiply
    1,022,357.27x = 1,410,834.68 × 557,215.33
  4. Step 4: Simplify right side
    1,022,357.27x = 786,138,705,478.48
  5. Step 5: Solve for x
    x = 786,138,705,478.48/1,022,357.27
  6. Step 6: Final answer
    x = 768,947.15

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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.