Home / 1,375,493.78-1,898,096.01-763,610.87

Finding the Fourth Proportional to 1,375,493.78, 1,898,096.01 and 763,610.87

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Solution

The fourth proportional to 1,375,493.78, 1,898,096.01 and 763,610.87 is: 1,053,735.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,493.78 : 1,898,096.01 = 763,610.87 : x
  2. Step 2: Convert to fraction form
    1,375,493.78/1,898,096.01 = 763,610.87/x
  3. Step 3: Cross multiply
    1,375,493.78x = 1,898,096.01 × 763,610.87
  4. Step 4: Simplify right side
    1,375,493.78x = 1,449,406,745,539.63
  5. Step 5: Solve for x
    x = 1,449,406,745,539.63/1,375,493.78
  6. Step 6: Final answer
    x = 1,053,735.59

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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.