Home / 1,201.14-1,804.86-1,047.45

Finding the Fourth Proportional to 1,201.14, 1,804.86 and 1,047.45

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Solution

The fourth proportional to 1,201.14, 1,804.86 and 1,047.45 is: 1,573.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201.14 : 1,804.86 = 1,047.45 : x
  2. Step 2: Convert to fraction form
    1,201.14/1,804.86 = 1,047.45/x
  3. Step 3: Cross multiply
    1,201.14x = 1,804.86 × 1,047.45
  4. Step 4: Simplify right side
    1,201.14x = 1,890,500.61
  5. Step 5: Solve for x
    x = 1,890,500.61/1,201.14
  6. Step 6: Final answer
    x = 1,573.92

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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.