Home / 1,189,714.54-1,782,406.68-1,062,168.70

Finding the Fourth Proportional to 1,189,714.54, 1,782,406.68 and 1,062,168.70

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Solution

The fourth proportional to 1,189,714.54, 1,782,406.68 and 1,062,168.70 is: 1,591,320.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,714.54 : 1,782,406.68 = 1,062,168.70 : x
  2. Step 2: Convert to fraction form
    1,189,714.54/1,782,406.68 = 1,062,168.70/x
  3. Step 3: Cross multiply
    1,189,714.54x = 1,782,406.68 × 1,062,168.70
  4. Step 4: Simplify right side
    1,189,714.54x = 1,893,216,593,551.12
  5. Step 5: Solve for x
    x = 1,893,216,593,551.12/1,189,714.54
  6. Step 6: Final answer
    x = 1,591,320.04

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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.