Home / 1,122,080.80-1,683,287.30-412,053.48

Finding the Fourth Proportional to 1,122,080.80, 1,683,287.30 and 412,053.48

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Solution

The fourth proportional to 1,122,080.80, 1,683,287.30 and 412,053.48 is: 618,141.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,080.80 : 1,683,287.30 = 412,053.48 : x
  2. Step 2: Convert to fraction form
    1,122,080.80/1,683,287.30 = 412,053.48/x
  3. Step 3: Cross multiply
    1,122,080.80x = 1,683,287.30 × 412,053.48
  4. Step 4: Simplify right side
    1,122,080.80x = 693,604,383,536.32
  5. Step 5: Solve for x
    x = 693,604,383,536.32/1,122,080.80
  6. Step 6: Final answer
    x = 618,141.21

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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.