Home / 1,265,455.60-1,897,630.44-378,784.24

Finding the Fourth Proportional to 1,265,455.60, 1,897,630.44 and 378,784.24

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Solution

The fourth proportional to 1,265,455.60, 1,897,630.44 and 378,784.24 is: 568,010.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,455.60 : 1,897,630.44 = 378,784.24 : x
  2. Step 2: Convert to fraction form
    1,265,455.60/1,897,630.44 = 378,784.24/x
  3. Step 3: Cross multiply
    1,265,455.60x = 1,897,630.44 × 378,784.24
  4. Step 4: Simplify right side
    1,265,455.60x = 718,792,504,016.27
  5. Step 5: Solve for x
    x = 718,792,504,016.27/1,265,455.60
  6. Step 6: Final answer
    x = 568,010.84

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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.