Home / 1,284,168.89-1,771,299.56-825,863.22

Finding the Fourth Proportional to 1,284,168.89, 1,771,299.56 and 825,863.22

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Solution

The fourth proportional to 1,284,168.89, 1,771,299.56 and 825,863.22 is: 1,139,142.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,168.89 : 1,771,299.56 = 825,863.22 : x
  2. Step 2: Convert to fraction form
    1,284,168.89/1,771,299.56 = 825,863.22/x
  3. Step 3: Cross multiply
    1,284,168.89x = 1,771,299.56 × 825,863.22
  4. Step 4: Simplify right side
    1,284,168.89x = 1,462,851,151,804.99
  5. Step 5: Solve for x
    x = 1,462,851,151,804.99/1,284,168.89
  6. Step 6: Final answer
    x = 1,139,142.34

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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.