Home / 1,394,953.72-2,090,481.78-753,875.38

Finding the Fourth Proportional to 1,394,953.72, 2,090,481.78 and 753,875.38

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Solution

The fourth proportional to 1,394,953.72, 2,090,481.78 and 753,875.38 is: 1,129,759.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,394,953.72 : 2,090,481.78 = 753,875.38 : x
  2. Step 2: Convert to fraction form
    1,394,953.72/2,090,481.78 = 753,875.38/x
  3. Step 3: Cross multiply
    1,394,953.72x = 2,090,481.78 × 753,875.38
  4. Step 4: Simplify right side
    1,394,953.72x = 1,575,962,746,280.58
  5. Step 5: Solve for x
    x = 1,575,962,746,280.58/1,394,953.72
  6. Step 6: Final answer
    x = 1,129,759.88

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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.