Home / 1,413,015.67-1,949,943.26-768,422.03

Finding the Fourth Proportional to 1,413,015.67, 1,949,943.26 and 768,422.03

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Solution

The fourth proportional to 1,413,015.67, 1,949,943.26 and 768,422.03 is: 1,060,412.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,015.67 : 1,949,943.26 = 768,422.03 : x
  2. Step 2: Convert to fraction form
    1,413,015.67/1,949,943.26 = 768,422.03/x
  3. Step 3: Cross multiply
    1,413,015.67x = 1,949,943.26 × 768,422.03
  4. Step 4: Simplify right side
    1,413,015.67x = 1,498,379,358,234.02
  5. Step 5: Solve for x
    x = 1,498,379,358,234.02/1,413,015.67
  6. Step 6: Final answer
    x = 1,060,412.41

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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.