Home / 1,805,680.13-2,491,429.28-1,224,982.43

Finding the Fourth Proportional to 1,805,680.13, 2,491,429.28 and 1,224,982.43

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Solution

The fourth proportional to 1,805,680.13, 2,491,429.28 and 1,224,982.43 is: 1,690,198.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,805,680.13 : 2,491,429.28 = 1,224,982.43 : x
  2. Step 2: Convert to fraction form
    1,805,680.13/2,491,429.28 = 1,224,982.43/x
  3. Step 3: Cross multiply
    1,805,680.13x = 2,491,429.28 × 1,224,982.43
  4. Step 4: Simplify right side
    1,805,680.13x = 3,051,957,075,005.49
  5. Step 5: Solve for x
    x = 3,051,957,075,005.49/1,805,680.13
  6. Step 6: Final answer
    x = 1,690,198.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.