Home / 1,550,687.56-2,139,635.22-905,983.24

Finding the Fourth Proportional to 1,550,687.56, 2,139,635.22 and 905,983.24

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Solution

The fourth proportional to 1,550,687.56, 2,139,635.22 and 905,983.24 is: 1,250,073.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,550,687.56 : 2,139,635.22 = 905,983.24 : x
  2. Step 2: Convert to fraction form
    1,550,687.56/2,139,635.22 = 905,983.24/x
  3. Step 3: Cross multiply
    1,550,687.56x = 2,139,635.22 × 905,983.24
  4. Step 4: Simplify right side
    1,550,687.56x = 1,938,473,649,033.71
  5. Step 5: Solve for x
    x = 1,938,473,649,033.71/1,550,687.56
  6. Step 6: Final answer
    x = 1,250,073.64

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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.