Home / 1,189,727.80-1,782,426.56-1,062,181.96

Finding the Fourth Proportional to 1,189,727.80, 1,782,426.56 and 1,062,181.96

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Solution

The fourth proportional to 1,189,727.80, 1,782,426.56 and 1,062,181.96 is: 1,591,339.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,727.80 : 1,782,426.56 = 1,062,181.96 : x
  2. Step 2: Convert to fraction form
    1,189,727.80/1,782,426.56 = 1,062,181.96/x
  3. Step 3: Cross multiply
    1,189,727.80x = 1,782,426.56 × 1,062,181.96
  4. Step 4: Simplify right side
    1,189,727.80x = 1,893,261,337,056.86
  5. Step 5: Solve for x
    x = 1,893,261,337,056.86/1,189,727.80
  6. Step 6: Final answer
    x = 1,591,339.92

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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.