Home / 1,455,209.54-2,008,249.67-810,629.56

Finding the Fourth Proportional to 1,455,209.54, 2,008,249.67 and 810,629.56

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Solution

The fourth proportional to 1,455,209.54, 2,008,249.67 and 810,629.56 is: 1,118,702.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,455,209.54 : 2,008,249.67 = 810,629.56 : x
  2. Step 2: Convert to fraction form
    1,455,209.54/2,008,249.67 = 810,629.56/x
  3. Step 3: Cross multiply
    1,455,209.54x = 2,008,249.67 × 810,629.56
  4. Step 4: Simplify right side
    1,455,209.54x = 1,627,946,546,362.25
  5. Step 5: Solve for x
    x = 1,627,946,546,362.25/1,455,209.54
  6. Step 6: Final answer
    x = 1,118,702.50

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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.