Home / 1,330,378.20-1,995,567.30-488,820.60

Finding the Fourth Proportional to 1,330,378.20, 1,995,567.30 and 488,820.60

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Solution

The fourth proportional to 1,330,378.20, 1,995,567.30 and 488,820.60 is: 733,230.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,378.20 : 1,995,567.30 = 488,820.60 : x
  2. Step 2: Convert to fraction form
    1,330,378.20/1,995,567.30 = 488,820.60/x
  3. Step 3: Cross multiply
    1,330,378.20x = 1,995,567.30 × 488,820.60
  4. Step 4: Simplify right side
    1,330,378.20x = 975,474,404,926.38
  5. Step 5: Solve for x
    x = 975,474,404,926.38/1,330,378.20
  6. Step 6: Final answer
    x = 733,230.90

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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.