Home / 1,147,682.64-1,583,994.24-664,164.48

Finding the Fourth Proportional to 1,147,682.64, 1,583,994.24 and 664,164.48

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Solution

The fourth proportional to 1,147,682.64, 1,583,994.24 and 664,164.48 is: 916,658.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,682.64 : 1,583,994.24 = 664,164.48 : x
  2. Step 2: Convert to fraction form
    1,147,682.64/1,583,994.24 = 664,164.48/x
  3. Step 3: Cross multiply
    1,147,682.64x = 1,583,994.24 × 664,164.48
  4. Step 4: Simplify right side
    1,147,682.64x = 1,052,032,710,732.60
  5. Step 5: Solve for x
    x = 1,052,032,710,732.60/1,147,682.64
  6. Step 6: Final answer
    x = 916,658.21

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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.