Home / 1,057,469.44-1,585,659.84-426,213.76

Finding the Fourth Proportional to 1,057,469.44, 1,585,659.84 and 426,213.76

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Solution

The fourth proportional to 1,057,469.44, 1,585,659.84 and 426,213.76 is: 639,101.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,057,469.44 : 1,585,659.84 = 426,213.76 : x
  2. Step 2: Convert to fraction form
    1,057,469.44/1,585,659.84 = 426,213.76/x
  3. Step 3: Cross multiply
    1,057,469.44x = 1,585,659.84 × 426,213.76
  4. Step 4: Simplify right side
    1,057,469.44x = 675,830,042,487.40
  5. Step 5: Solve for x
    x = 675,830,042,487.40/1,057,469.44
  6. Step 6: Final answer
    x = 639,101.25

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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.