Home / 1,268,990.40-1,751,353.12-759,692.48

Finding the Fourth Proportional to 1,268,990.40, 1,751,353.12 and 759,692.48

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Solution

The fourth proportional to 1,268,990.40, 1,751,353.12 and 759,692.48 is: 1,048,463.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,990.40 : 1,751,353.12 = 759,692.48 : x
  2. Step 2: Convert to fraction form
    1,268,990.40/1,751,353.12 = 759,692.48/x
  3. Step 3: Cross multiply
    1,268,990.40x = 1,751,353.12 × 759,692.48
  4. Step 4: Simplify right side
    1,268,990.40x = 1,330,489,795,088.54
  5. Step 5: Solve for x
    x = 1,330,489,795,088.54/1,268,990.40
  6. Step 6: Final answer
    x = 1,048,463.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.