Home / 1,392,452.64-2,088,698.40-395,180.64

Finding the Fourth Proportional to 1,392,452.64, 2,088,698.40 and 395,180.64

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Solution

The fourth proportional to 1,392,452.64, 2,088,698.40 and 395,180.64 is: 592,776.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,392,452.64 : 2,088,698.40 = 395,180.64 : x
  2. Step 2: Convert to fraction form
    1,392,452.64/2,088,698.40 = 395,180.64/x
  3. Step 3: Cross multiply
    1,392,452.64x = 2,088,698.40 × 395,180.64
  4. Step 4: Simplify right side
    1,392,452.64x = 825,413,170,478.98
  5. Step 5: Solve for x
    x = 825,413,170,478.98/1,392,452.64
  6. Step 6: Final answer
    x = 592,776.48

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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.