Home / 1,019,910.80-1,407,478.32-567,201.80

Finding the Fourth Proportional to 1,019,910.80, 1,407,478.32 and 567,201.80

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Solution

The fourth proportional to 1,019,910.80, 1,407,478.32 and 567,201.80 is: 782,739.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,910.80 : 1,407,478.32 = 567,201.80 : x
  2. Step 2: Convert to fraction form
    1,019,910.80/1,407,478.32 = 567,201.80/x
  3. Step 3: Cross multiply
    1,019,910.80x = 1,407,478.32 × 567,201.80
  4. Step 4: Simplify right side
    1,019,910.80x = 798,324,236,564.98
  5. Step 5: Solve for x
    x = 798,324,236,564.98/1,019,910.80
  6. Step 6: Final answer
    x = 782,739.27

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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.