Home / 845,998.80-1,268,998.20-720,027.60

Finding the Fourth Proportional to 845,998.80, 1,268,998.20 and 720,027.60

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Solution

The fourth proportional to 845,998.80, 1,268,998.20 and 720,027.60 is: 1,080,041.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,998.80 : 1,268,998.20 = 720,027.60 : x
  2. Step 2: Convert to fraction form
    845,998.80/1,268,998.20 = 720,027.60/x
  3. Step 3: Cross multiply
    845,998.80x = 1,268,998.20 × 720,027.60
  4. Step 4: Simplify right side
    845,998.80x = 913,713,728,350.32
  5. Step 5: Solve for x
    x = 913,713,728,350.32/845,998.80
  6. Step 6: Final answer
    x = 1,080,041.40

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Similar ratio
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1.5x scale

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.