Home / 1,341,027.20-2,008,916.40-806,961.80

Finding the Fourth Proportional to 1,341,027.20, 2,008,916.40 and 806,961.80

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Solution

The fourth proportional to 1,341,027.20, 2,008,916.40 and 806,961.80 is: 1,208,863.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,341,027.20 : 2,008,916.40 = 806,961.80 : x
  2. Step 2: Convert to fraction form
    1,341,027.20/2,008,916.40 = 806,961.80/x
  3. Step 3: Cross multiply
    1,341,027.20x = 2,008,916.40 × 806,961.80
  4. Step 4: Simplify right side
    1,341,027.20x = 1,621,118,794,193.52
  5. Step 5: Solve for x
    x = 1,621,118,794,193.52/1,341,027.20
  6. Step 6: Final answer
    x = 1,208,863.47

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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.