Home / 1,008,348.60-1,512,790.20-439,485.60

Finding the Fourth Proportional to 1,008,348.60, 1,512,790.20 and 439,485.60

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Solution

The fourth proportional to 1,008,348.60, 1,512,790.20 and 439,485.60 is: 659,344.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,348.60 : 1,512,790.20 = 439,485.60 : x
  2. Step 2: Convert to fraction form
    1,008,348.60/1,512,790.20 = 439,485.60/x
  3. Step 3: Cross multiply
    1,008,348.60x = 1,512,790.20 × 439,485.60
  4. Step 4: Simplify right side
    1,008,348.60x = 664,849,508,721.12
  5. Step 5: Solve for x
    x = 664,849,508,721.12/1,008,348.60
  6. Step 6: Final answer
    x = 659,344.90

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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.