Home / 1,122,249.89-1,548,704.82-612,953.48

Finding the Fourth Proportional to 1,122,249.89, 1,548,704.82 and 612,953.48

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Solution

The fourth proportional to 1,122,249.89, 1,548,704.82 and 612,953.48 is: 845,875.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,249.89 : 1,548,704.82 = 612,953.48 : x
  2. Step 2: Convert to fraction form
    1,122,249.89/1,548,704.82 = 612,953.48/x
  3. Step 3: Cross multiply
    1,122,249.89x = 1,548,704.82 × 612,953.48
  4. Step 4: Simplify right side
    1,122,249.89x = 949,284,008,911.77
  5. Step 5: Solve for x
    x = 949,284,008,911.77/1,122,249.89
  6. Step 6: Final answer
    x = 845,875.79

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1.5x scale

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.