Home / 1,419,296.49-2,128,974.90-508,538.28

Finding the Fourth Proportional to 1,419,296.49, 2,128,974.90 and 508,538.28

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Solution

The fourth proportional to 1,419,296.49, 2,128,974.90 and 508,538.28 is: 762,818.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,296.49 : 2,128,974.90 = 508,538.28 : x
  2. Step 2: Convert to fraction form
    1,419,296.49/2,128,974.90 = 508,538.28/x
  3. Step 3: Cross multiply
    1,419,296.49x = 2,128,974.90 × 508,538.28
  4. Step 4: Simplify right side
    1,419,296.49x = 1,082,665,243,461.49
  5. Step 5: Solve for x
    x = 1,082,665,243,461.49/1,419,296.49
  6. Step 6: Final answer
    x = 762,818.23

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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.