Home / 1,229,743.44-1,697,055.12-685,914.48

Finding the Fourth Proportional to 1,229,743.44, 1,697,055.12 and 685,914.48

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Solution

The fourth proportional to 1,229,743.44, 1,697,055.12 and 685,914.48 is: 946,567.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,743.44 : 1,697,055.12 = 685,914.48 : x
  2. Step 2: Convert to fraction form
    1,229,743.44/1,697,055.12 = 685,914.48/x
  3. Step 3: Cross multiply
    1,229,743.44x = 1,697,055.12 × 685,914.48
  4. Step 4: Simplify right side
    1,229,743.44x = 1,164,034,680,166.14
  5. Step 5: Solve for x
    x = 1,164,034,680,166.14/1,229,743.44
  6. Step 6: Final answer
    x = 946,567.10

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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.