Home / 1,267,660.32-1,901,494.80-321,030.60

Finding the Fourth Proportional to 1,267,660.32, 1,901,494.80 and 321,030.60

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Solution

The fourth proportional to 1,267,660.32, 1,901,494.80 and 321,030.60 is: 481,546.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,660.32 : 1,901,494.80 = 321,030.60 : x
  2. Step 2: Convert to fraction form
    1,267,660.32/1,901,494.80 = 321,030.60/x
  3. Step 3: Cross multiply
    1,267,660.32x = 1,901,494.80 × 321,030.60
  4. Step 4: Simplify right side
    1,267,660.32x = 610,438,016,540.88
  5. Step 5: Solve for x
    x = 610,438,016,540.88/1,267,660.32
  6. Step 6: Final answer
    x = 481,546.99

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1.5x scale

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.