Home / 1,339,008.78-1,847,826.42-727,157.26

Finding the Fourth Proportional to 1,339,008.78, 1,847,826.42 and 727,157.26

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Solution

The fourth proportional to 1,339,008.78, 1,847,826.42 and 727,157.26 is: 1,003,473.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,339,008.78 : 1,847,826.42 = 727,157.26 : x
  2. Step 2: Convert to fraction form
    1,339,008.78/1,847,826.42 = 727,157.26/x
  3. Step 3: Cross multiply
    1,339,008.78x = 1,847,826.42 × 727,157.26
  4. Step 4: Simplify right side
    1,339,008.78x = 1,343,660,396,522.81
  5. Step 5: Solve for x
    x = 1,343,660,396,522.81/1,339,008.78
  6. Step 6: Final answer
    x = 1,003,473.93

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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.