Home / 1,279,104.48-1,765,135.67-698,305.32

Finding the Fourth Proportional to 1,279,104.48, 1,765,135.67 and 698,305.32

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Solution

The fourth proportional to 1,279,104.48, 1,765,135.67 and 698,305.32 is: 963,645.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,279,104.48 : 1,765,135.67 = 698,305.32 : x
  2. Step 2: Convert to fraction form
    1,279,104.48/1,765,135.67 = 698,305.32/x
  3. Step 3: Cross multiply
    1,279,104.48x = 1,765,135.67 × 698,305.32
  4. Step 4: Simplify right side
    1,279,104.48x = 1,232,603,625,391.24
  5. Step 5: Solve for x
    x = 1,232,603,625,391.24/1,279,104.48
  6. Step 6: Final answer
    x = 963,645.77

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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.