Home / 1,190,383.98-1,642,741.74-646,530.38

Finding the Fourth Proportional to 1,190,383.98, 1,642,741.74 and 646,530.38

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Solution

The fourth proportional to 1,190,383.98, 1,642,741.74 and 646,530.38 is: 892,218.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,190,383.98 : 1,642,741.74 = 646,530.38 : x
  2. Step 2: Convert to fraction form
    1,190,383.98/1,642,741.74 = 646,530.38/x
  3. Step 3: Cross multiply
    1,190,383.98x = 1,642,741.74 × 646,530.38
  4. Step 4: Simplify right side
    1,190,383.98x = 1,062,082,441,404.06
  5. Step 5: Solve for x
    x = 1,062,082,441,404.06/1,190,383.98
  6. Step 6: Final answer
    x = 892,218.36

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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.