Home / 1,348,784.62-1,861,324.77-768,008.22

Finding the Fourth Proportional to 1,348,784.62, 1,861,324.77 and 768,008.22

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Solution

The fourth proportional to 1,348,784.62, 1,861,324.77 and 768,008.22 is: 1,059,852.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,784.62 : 1,861,324.77 = 768,008.22 : x
  2. Step 2: Convert to fraction form
    1,348,784.62/1,861,324.77 = 768,008.22/x
  3. Step 3: Cross multiply
    1,348,784.62x = 1,861,324.77 × 768,008.22
  4. Step 4: Simplify right side
    1,348,784.62x = 1,429,512,726,329.64
  5. Step 5: Solve for x
    x = 1,429,512,726,329.64/1,348,784.62
  6. Step 6: Final answer
    x = 1,059,852.48

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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.