Home / 842,537.89-1,162,033.05-636,493.33

Finding the Fourth Proportional to 842,537.89, 1,162,033.05 and 636,493.33

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Solution

The fourth proportional to 842,537.89, 1,162,033.05 and 636,493.33 is: 877,855.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,537.89 : 1,162,033.05 = 636,493.33 : x
  2. Step 2: Convert to fraction form
    842,537.89/1,162,033.05 = 636,493.33/x
  3. Step 3: Cross multiply
    842,537.89x = 1,162,033.05 × 636,493.33
  4. Step 4: Simplify right side
    842,537.89x = 739,626,285,564.56
  5. Step 5: Solve for x
    x = 739,626,285,564.56/842,537.89
  6. Step 6: Final answer
    x = 877,855.22

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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.