Home / 1,324,607.84-1,986,930-377,978.28

Finding the Fourth Proportional to 1,324,607.84, 1,986,930 and 377,978.28

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Solution

The fourth proportional to 1,324,607.84, 1,986,930 and 377,978.28 is: 566,972.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,324,607.84 : 1,986,930 = 377,978.28 : x
  2. Step 2: Convert to fraction form
    1,324,607.84/1,986,930 = 377,978.28/x
  3. Step 3: Cross multiply
    1,324,607.84x = 1,986,930 × 377,978.28
  4. Step 4: Simplify right side
    1,324,607.84x = 751,016,383,880.40
  5. Step 5: Solve for x
    x = 751,016,383,880.40/1,324,607.84
  6. Step 6: Final answer
    x = 566,972.62

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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.