Home / 1,641,847.20-2,462,540.40-520,029.60

Finding the Fourth Proportional to 1,641,847.20, 2,462,540.40 and 520,029.60

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Solution

The fourth proportional to 1,641,847.20, 2,462,540.40 and 520,029.60 is: 779,971.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,847.20 : 2,462,540.40 = 520,029.60 : x
  2. Step 2: Convert to fraction form
    1,641,847.20/2,462,540.40 = 520,029.60/x
  3. Step 3: Cross multiply
    1,641,847.20x = 2,462,540.40 × 520,029.60
  4. Step 4: Simplify right side
    1,641,847.20x = 1,280,593,899,195.84
  5. Step 5: Solve for x
    x = 1,280,593,899,195.84/1,641,847.20
  6. Step 6: Final answer
    x = 779,971.42

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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.