Home / 1,419,304.40-2,128,986.83-508,546.36

Finding the Fourth Proportional to 1,419,304.40, 2,128,986.83 and 508,546.36

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Solution

The fourth proportional to 1,419,304.40, 2,128,986.83 and 508,546.36 is: 762,830.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,304.40 : 2,128,986.83 = 508,546.36 : x
  2. Step 2: Convert to fraction form
    1,419,304.40/2,128,986.83 = 508,546.36/x
  3. Step 3: Cross multiply
    1,419,304.40x = 2,128,986.83 × 508,546.36
  4. Step 4: Simplify right side
    1,419,304.40x = 1,082,688,497,589.90
  5. Step 5: Solve for x
    x = 1,082,688,497,589.90/1,419,304.40
  6. Step 6: Final answer
    x = 762,830.37

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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.