Home / 1,533,375.12-2,297,114.78-857,406.23

Finding the Fourth Proportional to 1,533,375.12, 2,297,114.78 and 857,406.23

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Solution

The fourth proportional to 1,533,375.12, 2,297,114.78 and 857,406.23 is: 1,284,460.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,375.12 : 2,297,114.78 = 857,406.23 : x
  2. Step 2: Convert to fraction form
    1,533,375.12/2,297,114.78 = 857,406.23/x
  3. Step 3: Cross multiply
    1,533,375.12x = 2,297,114.78 × 857,406.23
  4. Step 4: Simplify right side
    1,533,375.12x = 1,969,560,511,911.51
  5. Step 5: Solve for x
    x = 1,969,560,511,911.51/1,533,375.12
  6. Step 6: Final answer
    x = 1,284,460.98

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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.