Home / 1,055,777.75-1,455,360.99-647,122.22

Finding the Fourth Proportional to 1,055,777.75, 1,455,360.99 and 647,122.22

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Solution

The fourth proportional to 1,055,777.75, 1,455,360.99 and 647,122.22 is: 892,040.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,055,777.75 : 1,455,360.99 = 647,122.22 : x
  2. Step 2: Convert to fraction form
    1,055,777.75/1,455,360.99 = 647,122.22/x
  3. Step 3: Cross multiply
    1,055,777.75x = 1,455,360.99 × 647,122.22
  4. Step 4: Simplify right side
    1,055,777.75x = 941,796,434,750.20
  5. Step 5: Solve for x
    x = 941,796,434,750.20/1,055,777.75
  6. Step 6: Final answer
    x = 892,040.43

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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.