Home / 1,204,384.80-1,662,072.34-660,515.84

Finding the Fourth Proportional to 1,204,384.80, 1,662,072.34 and 660,515.84

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Solution

The fourth proportional to 1,204,384.80, 1,662,072.34 and 660,515.84 is: 911,523.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,384.80 : 1,662,072.34 = 660,515.84 : x
  2. Step 2: Convert to fraction form
    1,204,384.80/1,662,072.34 = 660,515.84/x
  3. Step 3: Cross multiply
    1,204,384.80x = 1,662,072.34 × 660,515.84
  4. Step 4: Simplify right side
    1,204,384.80x = 1,097,825,107,795.87
  5. Step 5: Solve for x
    x = 1,097,825,107,795.87/1,204,384.80
  6. Step 6: Final answer
    x = 911,523.55

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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.