Home / 1,190,462.90-1,642,850.84-646,609.30

Finding the Fourth Proportional to 1,190,462.90, 1,642,850.84 and 646,609.30

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Solution

The fourth proportional to 1,190,462.90, 1,642,850.84 and 646,609.30 is: 892,327.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,462.90 : 1,642,850.84 = 646,609.30 : x
  2. Step 2: Convert to fraction form
    1,190,462.90/1,642,850.84 = 646,609.30/x
  3. Step 3: Cross multiply
    1,190,462.90x = 1,642,850.84 × 646,609.30
  4. Step 4: Simplify right side
    1,190,462.90x = 1,062,282,629,166.21
  5. Step 5: Solve for x
    x = 1,062,282,629,166.21/1,190,462.90
  6. Step 6: Final answer
    x = 892,327.37

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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.