Home / 1,219,010.05-1,682,246.23-735,481.76

Finding the Fourth Proportional to 1,219,010.05, 1,682,246.23 and 735,481.76

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Solution

The fourth proportional to 1,219,010.05, 1,682,246.23 and 735,481.76 is: 1,014,972.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,010.05 : 1,682,246.23 = 735,481.76 : x
  2. Step 2: Convert to fraction form
    1,219,010.05/1,682,246.23 = 735,481.76/x
  3. Step 3: Cross multiply
    1,219,010.05x = 1,682,246.23 × 735,481.76
  4. Step 4: Simplify right side
    1,219,010.05x = 1,237,261,420,360.68
  5. Step 5: Solve for x
    x = 1,237,261,420,360.68/1,219,010.05
  6. Step 6: Final answer
    x = 1,014,972.29

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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.