Home / 1,119.86-1,546.12-1,050.14

Finding the Fourth Proportional to 1,119.86, 1,546.12 and 1,050.14

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Solution

The fourth proportional to 1,119.86, 1,546.12 and 1,050.14 is: 1,449.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119.86 : 1,546.12 = 1,050.14 : x
  2. Step 2: Convert to fraction form
    1,119.86/1,546.12 = 1,050.14/x
  3. Step 3: Cross multiply
    1,119.86x = 1,546.12 × 1,050.14
  4. Step 4: Simplify right side
    1,119.86x = 1,623,642.46
  5. Step 5: Solve for x
    x = 1,623,642.46/1,119.86
  6. Step 6: Final answer
    x = 1,449.87

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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.