Home / 1,330,377.20-1,995,565.80-488,819.60

Finding the Fourth Proportional to 1,330,377.20, 1,995,565.80 and 488,819.60

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Solution

The fourth proportional to 1,330,377.20, 1,995,565.80 and 488,819.60 is: 733,229.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,377.20 : 1,995,565.80 = 488,819.60 : x
  2. Step 2: Convert to fraction form
    1,330,377.20/1,995,565.80 = 488,819.60/x
  3. Step 3: Cross multiply
    1,330,377.20x = 1,995,565.80 × 488,819.60
  4. Step 4: Simplify right side
    1,330,377.20x = 975,471,676,129.68
  5. Step 5: Solve for x
    x = 975,471,676,129.68/1,330,377.20
  6. Step 6: Final answer
    x = 733,229.40

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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.