Home / 1,533,271-2,115,825.96-879,758.68

Finding the Fourth Proportional to 1,533,271, 2,115,825.96 and 879,758.68

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Solution

The fourth proportional to 1,533,271, 2,115,825.96 and 879,758.68 is: 1,214,016.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,533,271 : 2,115,825.96 = 879,758.68 : x
  2. Step 2: Convert to fraction form
    1,533,271/2,115,825.96 = 879,758.68/x
  3. Step 3: Cross multiply
    1,533,271x = 2,115,825.96 × 879,758.68
  4. Step 4: Simplify right side
    1,533,271x = 1,861,416,253,679.33
  5. Step 5: Solve for x
    x = 1,861,416,253,679.33/1,533,271
  6. Step 6: Final answer
    x = 1,214,016.47

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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.