Home / 1,079,520.80-1,619,281.20-331,565.60

Finding the Fourth Proportional to 1,079,520.80, 1,619,281.20 and 331,565.60

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Solution

The fourth proportional to 1,079,520.80, 1,619,281.20 and 331,565.60 is: 497,348.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,520.80 : 1,619,281.20 = 331,565.60 : x
  2. Step 2: Convert to fraction form
    1,079,520.80/1,619,281.20 = 331,565.60/x
  3. Step 3: Cross multiply
    1,079,520.80x = 1,619,281.20 × 331,565.60
  4. Step 4: Simplify right side
    1,079,520.80x = 536,897,942,646.72
  5. Step 5: Solve for x
    x = 536,897,942,646.72/1,079,520.80
  6. Step 6: Final answer
    x = 497,348.40

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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.