Home / 1,311,157.58-1,967,040.60-412,575.94

Finding the Fourth Proportional to 1,311,157.58, 1,967,040.60 and 412,575.94

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Solution

The fourth proportional to 1,311,157.58, 1,967,040.60 and 412,575.94 is: 618,959.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,311,157.58 : 1,967,040.60 = 412,575.94 : x
  2. Step 2: Convert to fraction form
    1,311,157.58/1,967,040.60 = 412,575.94/x
  3. Step 3: Cross multiply
    1,311,157.58x = 1,967,040.60 × 412,575.94
  4. Step 4: Simplify right side
    1,311,157.58x = 811,553,624,563.16
  5. Step 5: Solve for x
    x = 811,553,624,563.16/1,311,157.58
  6. Step 6: Final answer
    x = 618,959.64

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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.