Home / 1,533,019.56-2,115,609.62-879,700.80

Finding the Fourth Proportional to 1,533,019.56, 2,115,609.62 and 879,700.80

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Solution

The fourth proportional to 1,533,019.56, 2,115,609.62 and 879,700.80 is: 1,214,011.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,019.56 : 2,115,609.62 = 879,700.80 : x
  2. Step 2: Convert to fraction form
    1,533,019.56/2,115,609.62 = 879,700.80/x
  3. Step 3: Cross multiply
    1,533,019.56x = 2,115,609.62 × 879,700.80
  4. Step 4: Simplify right side
    1,533,019.56x = 1,861,103,469,912.67
  5. Step 5: Solve for x
    x = 1,861,103,469,912.67/1,533,019.56
  6. Step 6: Final answer
    x = 1,214,011.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.