Home / 1,003,783.57-1,505,676.31-825,916.68

Finding the Fourth Proportional to 1,003,783.57, 1,505,676.31 and 825,916.68

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Solution

The fourth proportional to 1,003,783.57, 1,505,676.31 and 825,916.68 is: 1,238,875.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,783.57 : 1,505,676.31 = 825,916.68 : x
  2. Step 2: Convert to fraction form
    1,003,783.57/1,505,676.31 = 825,916.68/x
  3. Step 3: Cross multiply
    1,003,783.57x = 1,505,676.31 × 825,916.68
  4. Step 4: Simplify right side
    1,003,783.57x = 1,243,563,179,109.85
  5. Step 5: Solve for x
    x = 1,243,563,179,109.85/1,003,783.57
  6. Step 6: Final answer
    x = 1,238,875.81

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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.