Home / 1,521,098.73-2,099,116.86-832,815.21

Finding the Fourth Proportional to 1,521,098.73, 2,099,116.86 and 832,815.21

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Solution

The fourth proportional to 1,521,098.73, 2,099,116.86 and 832,815.21 is: 1,149,285.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,521,098.73 : 2,099,116.86 = 832,815.21 : x
  2. Step 2: Convert to fraction form
    1,521,098.73/2,099,116.86 = 832,815.21/x
  3. Step 3: Cross multiply
    1,521,098.73x = 2,099,116.86 × 832,815.21
  4. Step 4: Simplify right side
    1,521,098.73x = 1,748,176,448,575.44
  5. Step 5: Solve for x
    x = 1,748,176,448,575.44/1,521,098.73
  6. Step 6: Final answer
    x = 1,149,285.33

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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.