Home / 1,083,128.20-1,625,729.10-925,534.60

Finding the Fourth Proportional to 1,083,128.20, 1,625,729.10 and 925,534.60

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Solution

The fourth proportional to 1,083,128.20, 1,625,729.10 and 925,534.60 is: 1,389,187.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,128.20 : 1,625,729.10 = 925,534.60 : x
  2. Step 2: Convert to fraction form
    1,083,128.20/1,625,729.10 = 925,534.60/x
  3. Step 3: Cross multiply
    1,083,128.20x = 1,625,729.10 × 925,534.60
  4. Step 4: Simplify right side
    1,083,128.20x = 1,504,668,532,276.86
  5. Step 5: Solve for x
    x = 1,504,668,532,276.86/1,083,128.20
  6. Step 6: Final answer
    x = 1,389,187.85

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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.