Home / 1,004,228.75-1,385,147.82-641,491.51

Finding the Fourth Proportional to 1,004,228.75, 1,385,147.82 and 641,491.51

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Solution

The fourth proportional to 1,004,228.75, 1,385,147.82 and 641,491.51 is: 884,818.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,228.75 : 1,385,147.82 = 641,491.51 : x
  2. Step 2: Convert to fraction form
    1,004,228.75/1,385,147.82 = 641,491.51/x
  3. Step 3: Cross multiply
    1,004,228.75x = 1,385,147.82 × 641,491.51
  4. Step 4: Simplify right side
    1,004,228.75x = 888,560,566,625.01
  5. Step 5: Solve for x
    x = 888,560,566,625.01/1,004,228.75
  6. Step 6: Final answer
    x = 884,818.89

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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.