Home / 1,297,326.70-1,946,176.12-398,843.88

Finding the Fourth Proportional to 1,297,326.70, 1,946,176.12 and 398,843.88

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Solution

The fourth proportional to 1,297,326.70, 1,946,176.12 and 398,843.88 is: 598,323.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,297,326.70 : 1,946,176.12 = 398,843.88 : x
  2. Step 2: Convert to fraction form
    1,297,326.70/1,946,176.12 = 398,843.88/x
  3. Step 3: Cross multiply
    1,297,326.70x = 1,946,176.12 × 398,843.88
  4. Step 4: Simplify right side
    1,297,326.70x = 776,220,440,133.53
  5. Step 5: Solve for x
    x = 776,220,440,133.53/1,297,326.70
  6. Step 6: Final answer
    x = 598,323.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.