Home / 2,664,679-3,997,052.52-771,422.26

Finding the Fourth Proportional to 2,664,679, 3,997,052.52 and 771,422.26

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Solution

The fourth proportional to 2,664,679, 3,997,052.52 and 771,422.26 is: 1,157,143.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664,679 : 3,997,052.52 = 771,422.26 : x
  2. Step 2: Convert to fraction form
    2,664,679/3,997,052.52 = 771,422.26/x
  3. Step 3: Cross multiply
    2,664,679x = 3,997,052.52 × 771,422.26
  4. Step 4: Simplify right side
    2,664,679x = 3,083,415,288,317.10
  5. Step 5: Solve for x
    x = 3,083,415,288,317.10/2,664,679
  6. Step 6: Final answer
    x = 1,157,143.24

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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.