Home / 1,347,193.80-2,021,568.30-505,830.60

Finding the Fourth Proportional to 1,347,193.80, 2,021,568.30 and 505,830.60

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Solution

The fourth proportional to 1,347,193.80, 2,021,568.30 and 505,830.60 is: 759,037.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,347,193.80 : 2,021,568.30 = 505,830.60 : x
  2. Step 2: Convert to fraction form
    1,347,193.80/2,021,568.30 = 505,830.60/x
  3. Step 3: Cross multiply
    1,347,193.80x = 2,021,568.30 × 505,830.60
  4. Step 4: Simplify right side
    1,347,193.80x = 1,022,571,106,129.98
  5. Step 5: Solve for x
    x = 1,022,571,106,129.98/1,347,193.80
  6. Step 6: Final answer
    x = 759,037.87

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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.