Home / 1,080,838.44-1,621,010.88-406,990.80

Finding the Fourth Proportional to 1,080,838.44, 1,621,010.88 and 406,990.80

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Solution

The fourth proportional to 1,080,838.44, 1,621,010.88 and 406,990.80 is: 610,393.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,838.44 : 1,621,010.88 = 406,990.80 : x
  2. Step 2: Convert to fraction form
    1,080,838.44/1,621,010.88 = 406,990.80/x
  3. Step 3: Cross multiply
    1,080,838.44x = 1,621,010.88 × 406,990.80
  4. Step 4: Simplify right side
    1,080,838.44x = 659,736,514,859.90
  5. Step 5: Solve for x
    x = 659,736,514,859.90/1,080,838.44
  6. Step 6: Final answer
    x = 610,393.27

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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.