Home / 1,047,961.80-1,571,942.70-729,097.20

Finding the Fourth Proportional to 1,047,961.80, 1,571,942.70 and 729,097.20

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Solution

The fourth proportional to 1,047,961.80, 1,571,942.70 and 729,097.20 is: 1,093,645.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,961.80 : 1,571,942.70 = 729,097.20 : x
  2. Step 2: Convert to fraction form
    1,047,961.80/1,571,942.70 = 729,097.20/x
  3. Step 3: Cross multiply
    1,047,961.80x = 1,571,942.70 × 729,097.20
  4. Step 4: Simplify right side
    1,047,961.80x = 1,146,099,021,130.44
  5. Step 5: Solve for x
    x = 1,146,099,021,130.44/1,047,961.80
  6. Step 6: Final answer
    x = 1,093,645.80

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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.