Home / 1,405,108.46-2,107,659.56-1,085,724.74

Finding the Fourth Proportional to 1,405,108.46, 2,107,659.56 and 1,085,724.74

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Solution

The fourth proportional to 1,405,108.46, 2,107,659.56 and 1,085,724.74 is: 1,628,584.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,108.46 : 2,107,659.56 = 1,085,724.74 : x
  2. Step 2: Convert to fraction form
    1,405,108.46/2,107,659.56 = 1,085,724.74/x
  3. Step 3: Cross multiply
    1,405,108.46x = 2,107,659.56 × 1,085,724.74
  4. Step 4: Simplify right side
    1,405,108.46x = 2,288,338,127,789.51
  5. Step 5: Solve for x
    x = 2,288,338,127,789.51/1,405,108.46
  6. Step 6: Final answer
    x = 1,628,584.69

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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.