Home / 1,220,521.44-1,830,799.68-379,020

Finding the Fourth Proportional to 1,220,521.44, 1,830,799.68 and 379,020

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Solution

The fourth proportional to 1,220,521.44, 1,830,799.68 and 379,020 is: 568,535.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,521.44 : 1,830,799.68 = 379,020 : x
  2. Step 2: Convert to fraction form
    1,220,521.44/1,830,799.68 = 379,020/x
  3. Step 3: Cross multiply
    1,220,521.44x = 1,830,799.68 × 379,020
  4. Step 4: Simplify right side
    1,220,521.44x = 693,909,694,713.60
  5. Step 5: Solve for x
    x = 693,909,694,713.60/1,220,521.44
  6. Step 6: Final answer
    x = 568,535.44

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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.