Home / 1,166,642.79-1,751,862.75-720,201.57

Finding the Fourth Proportional to 1,166,642.79, 1,751,862.75 and 720,201.57

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Solution

The fourth proportional to 1,166,642.79, 1,751,862.75 and 720,201.57 is: 1,081,474.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,642.79 : 1,751,862.75 = 720,201.57 : x
  2. Step 2: Convert to fraction form
    1,166,642.79/1,751,862.75 = 720,201.57/x
  3. Step 3: Cross multiply
    1,166,642.79x = 1,751,862.75 × 720,201.57
  4. Step 4: Simplify right side
    1,166,642.79x = 1,261,694,302,974.52
  5. Step 5: Solve for x
    x = 1,261,694,302,974.52/1,166,642.79
  6. Step 6: Final answer
    x = 1,081,474.39

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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.