Home / 1,188,015.60-1,781,933.88-378,367.36

Finding the Fourth Proportional to 1,188,015.60, 1,781,933.88 and 378,367.36

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Solution

The fourth proportional to 1,188,015.60, 1,781,933.88 and 378,367.36 is: 567,522.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,015.60 : 1,781,933.88 = 378,367.36 : x
  2. Step 2: Convert to fraction form
    1,188,015.60/1,781,933.88 = 378,367.36/x
  3. Step 3: Cross multiply
    1,188,015.60x = 1,781,933.88 × 378,367.36
  4. Step 4: Simplify right side
    1,188,015.60x = 674,225,617,870.16
  5. Step 5: Solve for x
    x = 674,225,617,870.16/1,188,015.60
  6. Step 6: Final answer
    x = 567,522.53

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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.