Home / 1,265,255.20-1,897,268.40-703,693.60

Finding the Fourth Proportional to 1,265,255.20, 1,897,268.40 and 703,693.60

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Solution

The fourth proportional to 1,265,255.20, 1,897,268.40 and 703,693.60 is: 1,055,198.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,265,255.20 : 1,897,268.40 = 703,693.60 : x
  2. Step 2: Convert to fraction form
    1,265,255.20/1,897,268.40 = 703,693.60/x
  3. Step 3: Cross multiply
    1,265,255.20x = 1,897,268.40 × 703,693.60
  4. Step 4: Simplify right side
    1,265,255.20x = 1,335,095,630,562.24
  5. Step 5: Solve for x
    x = 1,335,095,630,562.24/1,265,255.20
  6. Step 6: Final answer
    x = 1,055,198.69

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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.