Home / 1,336,699.20-2,005,048.80-1,242,220.80

Finding the Fourth Proportional to 1,336,699.20, 2,005,048.80 and 1,242,220.80

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Solution

The fourth proportional to 1,336,699.20, 2,005,048.80 and 1,242,220.80 is: 1,863,331.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,699.20 : 2,005,048.80 = 1,242,220.80 : x
  2. Step 2: Convert to fraction form
    1,336,699.20/2,005,048.80 = 1,242,220.80/x
  3. Step 3: Cross multiply
    1,336,699.20x = 2,005,048.80 × 1,242,220.80
  4. Step 4: Simplify right side
    1,336,699.20x = 2,490,713,324,375.04
  5. Step 5: Solve for x
    x = 2,490,713,324,375.04/1,336,699.20
  6. Step 6: Final answer
    x = 1,863,331.20

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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.