Home / 1,349,172.26-2,023,181.96-780,945.56

Finding the Fourth Proportional to 1,349,172.26, 2,023,181.96 and 780,945.56

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Solution

The fourth proportional to 1,349,172.26, 2,023,181.96 and 780,945.56 is: 1,171,084.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,349,172.26 : 2,023,181.96 = 780,945.56 : x
  2. Step 2: Convert to fraction form
    1,349,172.26/2,023,181.96 = 780,945.56/x
  3. Step 3: Cross multiply
    1,349,172.26x = 2,023,181.96 × 780,945.56
  4. Step 4: Simplify right side
    1,349,172.26x = 1,579,994,968,157.48
  5. Step 5: Solve for x
    x = 1,579,994,968,157.48/1,349,172.26
  6. Step 6: Final answer
    x = 1,171,084.69

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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.