Home / 1,275,295.44-1,913,610.20-825,899.75

Finding the Fourth Proportional to 1,275,295.44, 1,913,610.20 and 825,899.75

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Solution

The fourth proportional to 1,275,295.44, 1,913,610.20 and 825,899.75 is: 1,239,281.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,295.44 : 1,913,610.20 = 825,899.75 : x
  2. Step 2: Convert to fraction form
    1,275,295.44/1,913,610.20 = 825,899.75/x
  3. Step 3: Cross multiply
    1,275,295.44x = 1,913,610.20 × 825,899.75
  4. Step 4: Simplify right side
    1,275,295.44x = 1,580,450,172,079.90
  5. Step 5: Solve for x
    x = 1,580,450,172,079.90/1,275,295.44
  6. Step 6: Final answer
    x = 1,239,281.60

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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.