Home / 1,208,008.56-1,667,052.88-664,153.60

Finding the Fourth Proportional to 1,208,008.56, 1,667,052.88 and 664,153.60

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Solution

The fourth proportional to 1,208,008.56, 1,667,052.88 and 664,153.60 is: 916,532.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,008.56 : 1,667,052.88 = 664,153.60 : x
  2. Step 2: Convert to fraction form
    1,208,008.56/1,667,052.88 = 664,153.60/x
  3. Step 3: Cross multiply
    1,208,008.56x = 1,667,052.88 × 664,153.60
  4. Step 4: Simplify right side
    1,208,008.56x = 1,107,179,171,642.37
  5. Step 5: Solve for x
    x = 1,107,179,171,642.37/1,208,008.56
  6. Step 6: Final answer
    x = 916,532.55

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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.