Home / 1,080,004.60-1,620,006.90-321,844.60

Finding the Fourth Proportional to 1,080,004.60, 1,620,006.90 and 321,844.60

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Solution

The fourth proportional to 1,080,004.60, 1,620,006.90 and 321,844.60 is: 482,766.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,004.60 : 1,620,006.90 = 321,844.60 : x
  2. Step 2: Convert to fraction form
    1,080,004.60/1,620,006.90 = 321,844.60/x
  3. Step 3: Cross multiply
    1,080,004.60x = 1,620,006.90 × 321,844.60
  4. Step 4: Simplify right side
    1,080,004.60x = 521,390,472,727.74
  5. Step 5: Solve for x
    x = 521,390,472,727.74/1,080,004.60
  6. Step 6: Final answer
    x = 482,766.90

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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.