Home / 1,365,830.20-2,048,745.30-512,900.20

Finding the Fourth Proportional to 1,365,830.20, 2,048,745.30 and 512,900.20

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Solution

The fourth proportional to 1,365,830.20, 2,048,745.30 and 512,900.20 is: 769,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,365,830.20 : 2,048,745.30 = 512,900.20 : x
  2. Step 2: Convert to fraction form
    1,365,830.20/2,048,745.30 = 512,900.20/x
  3. Step 3: Cross multiply
    1,365,830.20x = 2,048,745.30 × 512,900.20
  4. Step 4: Simplify right side
    1,365,830.20x = 1,050,801,874,119.06
  5. Step 5: Solve for x
    x = 1,050,801,874,119.06/1,365,830.20
  6. Step 6: Final answer
    x = 769,350.30

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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.