Home / 1,391,034.72-1,923,854.07-1,247,742.48

Finding the Fourth Proportional to 1,391,034.72, 1,923,854.07 and 1,247,742.48

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Solution

The fourth proportional to 1,391,034.72, 1,923,854.07 and 1,247,742.48 is: 1,725,675.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,034.72 : 1,923,854.07 = 1,247,742.48 : x
  2. Step 2: Convert to fraction form
    1,391,034.72/1,923,854.07 = 1,247,742.48/x
  3. Step 3: Cross multiply
    1,391,034.72x = 1,923,854.07 × 1,247,742.48
  4. Step 4: Simplify right side
    1,391,034.72x = 2,400,474,448,459.89
  5. Step 5: Solve for x
    x = 2,400,474,448,459.89/1,391,034.72
  6. Step 6: Final answer
    x = 1,725,675.44

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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.