Home / 1,145,481.75-1,580,797.62-636,216.93

Finding the Fourth Proportional to 1,145,481.75, 1,580,797.62 and 636,216.93

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Solution

The fourth proportional to 1,145,481.75, 1,580,797.62 and 636,216.93 is: 877,997.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,481.75 : 1,580,797.62 = 636,216.93 : x
  2. Step 2: Convert to fraction form
    1,145,481.75/1,580,797.62 = 636,216.93/x
  3. Step 3: Cross multiply
    1,145,481.75x = 1,580,797.62 × 636,216.93
  4. Step 4: Simplify right side
    1,145,481.75x = 1,005,730,208,747.71
  5. Step 5: Solve for x
    x = 1,005,730,208,747.71/1,145,481.75
  6. Step 6: Final answer
    x = 877,997.58

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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.