Home / 1,327,185.44-1,990,192.56-380,341.28

Finding the Fourth Proportional to 1,327,185.44, 1,990,192.56 and 380,341.28

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Solution

The fourth proportional to 1,327,185.44, 1,990,192.56 and 380,341.28 is: 570,344.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,185.44 : 1,990,192.56 = 380,341.28 : x
  2. Step 2: Convert to fraction form
    1,327,185.44/1,990,192.56 = 380,341.28/x
  3. Step 3: Cross multiply
    1,327,185.44x = 1,990,192.56 × 380,341.28
  4. Step 4: Simplify right side
    1,327,185.44x = 756,952,385,716.88
  5. Step 5: Solve for x
    x = 756,952,385,716.88/1,327,185.44
  6. Step 6: Final answer
    x = 570,344.10

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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.