Home / 1,342,500.75-2,013,126.75-488,978.19

Finding the Fourth Proportional to 1,342,500.75, 2,013,126.75 and 488,978.19

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Solution

The fourth proportional to 1,342,500.75, 2,013,126.75 and 488,978.19 is: 733,239.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,500.75 : 2,013,126.75 = 488,978.19 : x
  2. Step 2: Convert to fraction form
    1,342,500.75/2,013,126.75 = 488,978.19/x
  3. Step 3: Cross multiply
    1,342,500.75x = 2,013,126.75 × 488,978.19
  4. Step 4: Simplify right side
    1,342,500.75x = 984,375,074,455.58
  5. Step 5: Solve for x
    x = 984,375,074,455.58/1,342,500.75
  6. Step 6: Final answer
    x = 733,239.87

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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.