Home / 1,419,659.31-1,959,136.48-775,094.25

Finding the Fourth Proportional to 1,419,659.31, 1,959,136.48 and 775,094.25

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Solution

The fourth proportional to 1,419,659.31, 1,959,136.48 and 775,094.25 is: 1,069,633.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,659.31 : 1,959,136.48 = 775,094.25 : x
  2. Step 2: Convert to fraction form
    1,419,659.31/1,959,136.48 = 775,094.25/x
  3. Step 3: Cross multiply
    1,419,659.31x = 1,959,136.48 × 775,094.25
  4. Step 4: Simplify right side
    1,419,659.31x = 1,518,515,420,613.24
  5. Step 5: Solve for x
    x = 1,518,515,420,613.24/1,419,659.31
  6. Step 6: Final answer
    x = 1,069,633.69

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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.