Home / 1,405,251.32-1,939,245.21-760,671.32

Finding the Fourth Proportional to 1,405,251.32, 1,939,245.21 and 760,671.32

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Solution

The fourth proportional to 1,405,251.32, 1,939,245.21 and 760,671.32 is: 1,049,725.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,251.32 : 1,939,245.21 = 760,671.32 : x
  2. Step 2: Convert to fraction form
    1,405,251.32/1,939,245.21 = 760,671.32/x
  3. Step 3: Cross multiply
    1,405,251.32x = 1,939,245.21 × 760,671.32
  4. Step 4: Simplify right side
    1,405,251.32x = 1,475,128,203,998.15
  5. Step 5: Solve for x
    x = 1,475,128,203,998.15/1,405,251.32
  6. Step 6: Final answer
    x = 1,049,725.55

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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.