Home / 1,229,868.80-1,844,803.20-388,505.60

Finding the Fourth Proportional to 1,229,868.80, 1,844,803.20 and 388,505.60

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Solution

The fourth proportional to 1,229,868.80, 1,844,803.20 and 388,505.60 is: 582,758.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,868.80 : 1,844,803.20 = 388,505.60 : x
  2. Step 2: Convert to fraction form
    1,229,868.80/1,844,803.20 = 388,505.60/x
  3. Step 3: Cross multiply
    1,229,868.80x = 1,844,803.20 × 388,505.60
  4. Step 4: Simplify right side
    1,229,868.80x = 716,716,374,097.92
  5. Step 5: Solve for x
    x = 716,716,374,097.92/1,229,868.80
  6. Step 6: Final answer
    x = 582,758.40

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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.