Home / 1,366,280.20-2,049,420.30-799,409.80

Finding the Fourth Proportional to 1,366,280.20, 2,049,420.30 and 799,409.80

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Solution

The fourth proportional to 1,366,280.20, 2,049,420.30 and 799,409.80 is: 1,199,114.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,366,280.20 : 2,049,420.30 = 799,409.80 : x
  2. Step 2: Convert to fraction form
    1,366,280.20/2,049,420.30 = 799,409.80/x
  3. Step 3: Cross multiply
    1,366,280.20x = 2,049,420.30 × 799,409.80
  4. Step 4: Simplify right side
    1,366,280.20x = 1,638,326,672,138.94
  5. Step 5: Solve for x
    x = 1,638,326,672,138.94/1,366,280.20
  6. Step 6: Final answer
    x = 1,199,114.70

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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.