Home / 1,532,993.78-2,115,579.38-879,739.31

Finding the Fourth Proportional to 1,532,993.78, 2,115,579.38 and 879,739.31

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Solution

The fourth proportional to 1,532,993.78, 2,115,579.38 and 879,739.31 is: 1,214,067.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,993.78 : 2,115,579.38 = 879,739.31 : x
  2. Step 2: Convert to fraction form
    1,532,993.78/2,115,579.38 = 879,739.31/x
  3. Step 3: Cross multiply
    1,532,993.78x = 2,115,579.38 × 879,739.31
  4. Step 4: Simplify right side
    1,532,993.78x = 1,861,158,329,034.83
  5. Step 5: Solve for x
    x = 1,861,158,329,034.83/1,532,993.78
  6. Step 6: Final answer
    x = 1,214,067.77

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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.