Home / 1,003,782.57-1,505,674.81-825,915.68

Finding the Fourth Proportional to 1,003,782.57, 1,505,674.81 and 825,915.68

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Solution

The fourth proportional to 1,003,782.57, 1,505,674.81 and 825,915.68 is: 1,238,874.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,782.57 : 1,505,674.81 = 825,915.68 : x
  2. Step 2: Convert to fraction form
    1,003,782.57/1,505,674.81 = 825,915.68/x
  3. Step 3: Cross multiply
    1,003,782.57x = 1,505,674.81 × 825,915.68
  4. Step 4: Simplify right side
    1,003,782.57x = 1,243,560,434,560.02
  5. Step 5: Solve for x
    x = 1,243,560,434,560.02/1,003,782.57
  6. Step 6: Final answer
    x = 1,238,874.31

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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.