Home / 1,848,116.90-2,770,976.55-782,869.70

Finding the Fourth Proportional to 1,848,116.90, 2,770,976.55 and 782,869.70

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Solution

The fourth proportional to 1,848,116.90, 2,770,976.55 and 782,869.70 is: 1,173,796.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,848,116.90 : 2,770,976.55 = 782,869.70 : x
  2. Step 2: Convert to fraction form
    1,848,116.90/2,770,976.55 = 782,869.70/x
  3. Step 3: Cross multiply
    1,848,116.90x = 2,770,976.55 × 782,869.70
  4. Step 4: Simplify right side
    1,848,116.90x = 2,169,313,580,405.53
  5. Step 5: Solve for x
    x = 2,169,313,580,405.53/1,848,116.90
  6. Step 6: Final answer
    x = 1,173,796.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.