Home / 1,757,121.60-2,636,114.40-494,932.80

Finding the Fourth Proportional to 1,757,121.60, 2,636,114.40 and 494,932.80

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Solution

The fourth proportional to 1,757,121.60, 2,636,114.40 and 494,932.80 is: 742,520.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,757,121.60 : 2,636,114.40 = 494,932.80 : x
  2. Step 2: Convert to fraction form
    1,757,121.60/2,636,114.40 = 494,932.80/x
  3. Step 3: Cross multiply
    1,757,121.60x = 2,636,114.40 × 494,932.80
  4. Step 4: Simplify right side
    1,757,121.60x = 1,304,699,481,112.32
  5. Step 5: Solve for x
    x = 1,304,699,481,112.32/1,757,121.60
  6. Step 6: Final answer
    x = 742,520.88

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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.