Home / 1,295,576.45-1,943,308.54-442,724.21

Finding the Fourth Proportional to 1,295,576.45, 1,943,308.54 and 442,724.21

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Solution

The fourth proportional to 1,295,576.45, 1,943,308.54 and 442,724.21 is: 664,067.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,576.45 : 1,943,308.54 = 442,724.21 : x
  2. Step 2: Convert to fraction form
    1,295,576.45/1,943,308.54 = 442,724.21/x
  3. Step 3: Cross multiply
    1,295,576.45x = 1,943,308.54 × 442,724.21
  4. Step 4: Simplify right side
    1,295,576.45x = 860,349,738,157.75
  5. Step 5: Solve for x
    x = 860,349,738,157.75/1,295,576.45
  6. Step 6: Final answer
    x = 664,067.13

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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.