Home / 1,481,899.78-2,045,023.78-802,836.28

Finding the Fourth Proportional to 1,481,899.78, 2,045,023.78 and 802,836.28

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Solution

The fourth proportional to 1,481,899.78, 2,045,023.78 and 802,836.28 is: 1,107,915.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481,899.78 : 2,045,023.78 = 802,836.28 : x
  2. Step 2: Convert to fraction form
    1,481,899.78/2,045,023.78 = 802,836.28/x
  3. Step 3: Cross multiply
    1,481,899.78x = 2,045,023.78 × 802,836.28
  4. Step 4: Simplify right side
    1,481,899.78x = 1,641,819,284,046.74
  5. Step 5: Solve for x
    x = 1,641,819,284,046.74/1,481,899.78
  6. Step 6: Final answer
    x = 1,107,915.20

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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.