Home / 1,275,576.12-1,913,366.58-1,197,631.44

Finding the Fourth Proportional to 1,275,576.12, 1,913,366.58 and 1,197,631.44

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Solution

The fourth proportional to 1,275,576.12, 1,913,366.58 and 1,197,631.44 is: 1,796,449.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,576.12 : 1,913,366.58 = 1,197,631.44 : x
  2. Step 2: Convert to fraction form
    1,275,576.12/1,913,366.58 = 1,197,631.44/x
  3. Step 3: Cross multiply
    1,275,576.12x = 1,913,366.58 × 1,197,631.44
  4. Step 4: Simplify right side
    1,275,576.12x = 2,291,507,972,453.28
  5. Step 5: Solve for x
    x = 2,291,507,972,453.28/1,275,576.12
  6. Step 6: Final answer
    x = 1,796,449.41

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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.