Home / 1,451,986.12-2,003,742.52-807,392.48

Finding the Fourth Proportional to 1,451,986.12, 2,003,742.52 and 807,392.48

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Solution

The fourth proportional to 1,451,986.12, 2,003,742.52 and 807,392.48 is: 1,114,202.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,451,986.12 : 2,003,742.52 = 807,392.48 : x
  2. Step 2: Convert to fraction form
    1,451,986.12/2,003,742.52 = 807,392.48/x
  3. Step 3: Cross multiply
    1,451,986.12x = 2,003,742.52 × 807,392.48
  4. Step 4: Simplify right side
    1,451,986.12x = 1,617,806,642,504.25
  5. Step 5: Solve for x
    x = 1,617,806,642,504.25/1,451,986.12
  6. Step 6: Final answer
    x = 1,114,202.55

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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.