Home / 1,280,425.48-1,922,005.53-551,309.88

Finding the Fourth Proportional to 1,280,425.48, 1,922,005.53 and 551,309.88

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Solution

The fourth proportional to 1,280,425.48, 1,922,005.53 and 551,309.88 is: 827,553.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,425.48 : 1,922,005.53 = 551,309.88 : x
  2. Step 2: Convert to fraction form
    1,280,425.48/1,922,005.53 = 551,309.88/x
  3. Step 3: Cross multiply
    1,280,425.48x = 1,922,005.53 × 551,309.88
  4. Step 4: Simplify right side
    1,280,425.48x = 1,059,620,638,103.64
  5. Step 5: Solve for x
    x = 1,059,620,638,103.64/1,280,425.48
  6. Step 6: Final answer
    x = 827,553.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.