Home / 1,391,272.46-2,083,909.27-939,509.14

Finding the Fourth Proportional to 1,391,272.46, 2,083,909.27 and 939,509.14

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Solution

The fourth proportional to 1,391,272.46, 2,083,909.27 and 939,509.14 is: 1,407,238.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,272.46 : 2,083,909.27 = 939,509.14 : x
  2. Step 2: Convert to fraction form
    1,391,272.46/2,083,909.27 = 939,509.14/x
  3. Step 3: Cross multiply
    1,391,272.46x = 2,083,909.27 × 939,509.14
  4. Step 4: Simplify right side
    1,391,272.46x = 1,957,851,801,563.72
  5. Step 5: Solve for x
    x = 1,957,851,801,563.72/1,391,272.46
  6. Step 6: Final answer
    x = 1,407,238.23

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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.