Home / 1,512,165.58-2,086,782.21-823,835.30

Finding the Fourth Proportional to 1,512,165.58, 2,086,782.21 and 823,835.30

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Solution

The fourth proportional to 1,512,165.58, 2,086,782.21 and 823,835.30 is: 1,136,889.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,512,165.58 : 2,086,782.21 = 823,835.30 : x
  2. Step 2: Convert to fraction form
    1,512,165.58/2,086,782.21 = 823,835.30/x
  3. Step 3: Cross multiply
    1,512,165.58x = 2,086,782.21 × 823,835.30
  4. Step 4: Simplify right side
    1,512,165.58x = 1,719,164,833,456.93
  5. Step 5: Solve for x
    x = 1,719,164,833,456.93/1,512,165.58
  6. Step 6: Final answer
    x = 1,136,889.28

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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.