Home / 1,294,293.60-1,940,662.80-664,437.60

Finding the Fourth Proportional to 1,294,293.60, 1,940,662.80 and 664,437.60

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Solution

The fourth proportional to 1,294,293.60, 1,940,662.80 and 664,437.60 is: 996,257.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,293.60 : 1,940,662.80 = 664,437.60 : x
  2. Step 2: Convert to fraction form
    1,294,293.60/1,940,662.80 = 664,437.60/x
  3. Step 3: Cross multiply
    1,294,293.60x = 1,940,662.80 × 664,437.60
  4. Step 4: Simplify right side
    1,294,293.60x = 1,289,449,333,241.28
  5. Step 5: Solve for x
    x = 1,289,449,333,241.28/1,294,293.60
  6. Step 6: Final answer
    x = 996,257.21

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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.