Home / 1,542,321.26-2,309,457.81-1,241,156.78

Finding the Fourth Proportional to 1,542,321.26, 2,309,457.81 and 1,241,156.78

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Solution

The fourth proportional to 1,542,321.26, 2,309,457.81 and 1,241,156.78 is: 1,858,496.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,542,321.26 : 2,309,457.81 = 1,241,156.78 : x
  2. Step 2: Convert to fraction form
    1,542,321.26/2,309,457.81 = 1,241,156.78/x
  3. Step 3: Cross multiply
    1,542,321.26x = 2,309,457.81 × 1,241,156.78
  4. Step 4: Simplify right side
    1,542,321.26x = 2,866,399,219,005.45
  5. Step 5: Solve for x
    x = 2,866,399,219,005.45/1,542,321.26
  6. Step 6: Final answer
    x = 1,858,496.86

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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.