Home / 1,589,182.60-2,192,575.86-909,994.12

Finding the Fourth Proportional to 1,589,182.60, 2,192,575.86 and 909,994.12

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Solution

The fourth proportional to 1,589,182.60, 2,192,575.86 and 909,994.12 is: 1,255,507.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,589,182.60 : 2,192,575.86 = 909,994.12 : x
  2. Step 2: Convert to fraction form
    1,589,182.60/2,192,575.86 = 909,994.12/x
  3. Step 3: Cross multiply
    1,589,182.60x = 2,192,575.86 × 909,994.12
  4. Step 4: Simplify right side
    1,589,182.60x = 1,995,231,140,253.94
  5. Step 5: Solve for x
    x = 1,995,231,140,253.94/1,589,182.60
  6. Step 6: Final answer
    x = 1,255,507.79

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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.