Home / 1,259,873.20-1,889,809.80-461,180.80

Finding the Fourth Proportional to 1,259,873.20, 1,889,809.80 and 461,180.80

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Solution

The fourth proportional to 1,259,873.20, 1,889,809.80 and 461,180.80 is: 691,771.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,873.20 : 1,889,809.80 = 461,180.80 : x
  2. Step 2: Convert to fraction form
    1,259,873.20/1,889,809.80 = 461,180.80/x
  3. Step 3: Cross multiply
    1,259,873.20x = 1,889,809.80 × 461,180.80
  4. Step 4: Simplify right side
    1,259,873.20x = 871,543,995,411.84
  5. Step 5: Solve for x
    x = 871,543,995,411.84/1,259,873.20
  6. Step 6: Final answer
    x = 691,771.20

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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.