Home / 1,269,321.03-1,751,817.92-725,479.74

Finding the Fourth Proportional to 1,269,321.03, 1,751,817.92 and 725,479.74

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Solution

The fourth proportional to 1,269,321.03, 1,751,817.92 and 725,479.74 is: 1,001,250.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,321.03 : 1,751,817.92 = 725,479.74 : x
  2. Step 2: Convert to fraction form
    1,269,321.03/1,751,817.92 = 725,479.74/x
  3. Step 3: Cross multiply
    1,269,321.03x = 1,751,817.92 × 725,479.74
  4. Step 4: Simplify right side
    1,269,321.03x = 1,270,908,405,501.54
  5. Step 5: Solve for x
    x = 1,270,908,405,501.54/1,269,321.03
  6. Step 6: Final answer
    x = 1,001,250.57

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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.