Home / 1,308,243.20-1,962,364.80-409,755.20

Finding the Fourth Proportional to 1,308,243.20, 1,962,364.80 and 409,755.20

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Solution

The fourth proportional to 1,308,243.20, 1,962,364.80 and 409,755.20 is: 614,632.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,308,243.20 : 1,962,364.80 = 409,755.20 : x
  2. Step 2: Convert to fraction form
    1,308,243.20/1,962,364.80 = 409,755.20/x
  3. Step 3: Cross multiply
    1,308,243.20x = 1,962,364.80 × 409,755.20
  4. Step 4: Simplify right side
    1,308,243.20x = 804,089,181,096.96
  5. Step 5: Solve for x
    x = 804,089,181,096.96/1,308,243.20
  6. Step 6: Final answer
    x = 614,632.80

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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.