Home / 1,615,286.94-2,229,110.62-890,160.64

Finding the Fourth Proportional to 1,615,286.94, 2,229,110.62 and 890,160.64

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Solution

The fourth proportional to 1,615,286.94, 2,229,110.62 and 890,160.64 is: 1,228,429.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,615,286.94 : 2,229,110.62 = 890,160.64 : x
  2. Step 2: Convert to fraction form
    1,615,286.94/2,229,110.62 = 890,160.64/x
  3. Step 3: Cross multiply
    1,615,286.94x = 2,229,110.62 × 890,160.64
  4. Step 4: Simplify right side
    1,615,286.94x = 1,984,266,536,130.00
  5. Step 5: Solve for x
    x = 1,984,266,536,130.00/1,615,286.94
  6. Step 6: Final answer
    x = 1,228,429.75

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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.