Home / 1,635,158.64-2,255,245.56-1,394,240.88

Finding the Fourth Proportional to 1,635,158.64, 2,255,245.56 and 1,394,240.88

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Solution

The fourth proportional to 1,635,158.64, 2,255,245.56 and 1,394,240.88 is: 1,922,966.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,158.64 : 2,255,245.56 = 1,394,240.88 : x
  2. Step 2: Convert to fraction form
    1,635,158.64/2,255,245.56 = 1,394,240.88/x
  3. Step 3: Cross multiply
    1,635,158.64x = 2,255,245.56 × 1,394,240.88
  4. Step 4: Simplify right side
    1,635,158.64x = 3,144,355,554,190.49
  5. Step 5: Solve for x
    x = 3,144,355,554,190.49/1,635,158.64
  6. Step 6: Final answer
    x = 1,922,966.66

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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.