Home / 1,003,782.32-1,505,674.43-825,915.43

Finding the Fourth Proportional to 1,003,782.32, 1,505,674.43 and 825,915.43

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Solution

The fourth proportional to 1,003,782.32, 1,505,674.43 and 825,915.43 is: 1,238,873.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,003,782.32 : 1,505,674.43 = 825,915.43 : x
  2. Step 2: Convert to fraction form
    1,003,782.32/1,505,674.43 = 825,915.43/x
  3. Step 3: Cross multiply
    1,003,782.32x = 1,505,674.43 × 825,915.43
  4. Step 4: Simplify right side
    1,003,782.32x = 1,243,559,742,594.06
  5. Step 5: Solve for x
    x = 1,243,559,742,594.06/1,003,782.32
  6. Step 6: Final answer
    x = 1,238,873.93

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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.