Home / 1,399,996.80-2,094,746.40-1,274,025.60

Finding the Fourth Proportional to 1,399,996.80, 2,094,746.40 and 1,274,025.60

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Solution

The fourth proportional to 1,399,996.80, 2,094,746.40 and 1,274,025.60 is: 1,906,261.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,399,996.80 : 2,094,746.40 = 1,274,025.60 : x
  2. Step 2: Convert to fraction form
    1,399,996.80/2,094,746.40 = 1,274,025.60/x
  3. Step 3: Cross multiply
    1,399,996.80x = 2,094,746.40 × 1,274,025.60
  4. Step 4: Simplify right side
    1,399,996.80x = 2,668,760,539,107.84
  5. Step 5: Solve for x
    x = 2,668,760,539,107.84/1,399,996.80
  6. Step 6: Final answer
    x = 1,906,261.89

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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.