Home / 1,286,518.52-1,775,608.08-713,743.22

Finding the Fourth Proportional to 1,286,518.52, 1,775,608.08 and 713,743.22

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Solution

The fourth proportional to 1,286,518.52, 1,775,608.08 and 713,743.22 is: 985,083.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,518.52 : 1,775,608.08 = 713,743.22 : x
  2. Step 2: Convert to fraction form
    1,286,518.52/1,775,608.08 = 713,743.22/x
  3. Step 3: Cross multiply
    1,286,518.52x = 1,775,608.08 × 713,743.22
  4. Step 4: Simplify right side
    1,286,518.52x = 1,267,328,228,477.22
  5. Step 5: Solve for x
    x = 1,267,328,228,477.22/1,286,518.52
  6. Step 6: Final answer
    x = 985,083.55

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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.