Home / 1,542,422.68-2,130,760.43-1,231,917.58

Finding the Fourth Proportional to 1,542,422.68, 2,130,760.43 and 1,231,917.58

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Solution

The fourth proportional to 1,542,422.68, 2,130,760.43 and 1,231,917.58 is: 1,701,817.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,422.68 : 2,130,760.43 = 1,231,917.58 : x
  2. Step 2: Convert to fraction form
    1,542,422.68/2,130,760.43 = 1,231,917.58/x
  3. Step 3: Cross multiply
    1,542,422.68x = 2,130,760.43 × 1,231,917.58
  4. Step 4: Simplify right side
    1,542,422.68x = 2,624,921,232,485.36
  5. Step 5: Solve for x
    x = 2,624,921,232,485.36/1,542,422.68
  6. Step 6: Final answer
    x = 1,701,817.06

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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.