Home / 1,321,556.55-1,853,911.65-1,321,556.55

Finding the Fourth Proportional to 1,321,556.55, 1,853,911.65 and 1,321,556.55

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Solution

The fourth proportional to 1,321,556.55, 1,853,911.65 and 1,321,556.55 is: 1,853,911.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,556.55 : 1,853,911.65 = 1,321,556.55 : x
  2. Step 2: Convert to fraction form
    1,321,556.55/1,853,911.65 = 1,321,556.55/x
  3. Step 3: Cross multiply
    1,321,556.55x = 1,853,911.65 × 1,321,556.55
  4. Step 4: Simplify right side
    1,321,556.55x = 2,450,049,084,178.81
  5. Step 5: Solve for x
    x = 2,450,049,084,178.81/1,321,556.55
  6. Step 6: Final answer
    x = 1,853,911.65

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.