Home / 1,405,377.41-1,939,420.41-760,797.12

Finding the Fourth Proportional to 1,405,377.41, 1,939,420.41 and 760,797.12

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Solution

The fourth proportional to 1,405,377.41, 1,939,420.41 and 760,797.12 is: 1,049,899.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,377.41 : 1,939,420.41 = 760,797.12 : x
  2. Step 2: Convert to fraction form
    1,405,377.41/1,939,420.41 = 760,797.12/x
  3. Step 3: Cross multiply
    1,405,377.41x = 1,939,420.41 × 760,797.12
  4. Step 4: Simplify right side
    1,405,377.41x = 1,475,505,471,096.54
  5. Step 5: Solve for x
    x = 1,475,505,471,096.54/1,405,377.41
  6. Step 6: Final answer
    x = 1,049,899.81

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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.