Home / 1,481,387.64-2,044,308.60-828,012.78

Finding the Fourth Proportional to 1,481,387.64, 2,044,308.60 and 828,012.78

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Solution

The fourth proportional to 1,481,387.64, 2,044,308.60 and 828,012.78 is: 1,142,654.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,481,387.64 : 2,044,308.60 = 828,012.78 : x
  2. Step 2: Convert to fraction form
    1,481,387.64/2,044,308.60 = 828,012.78/x
  3. Step 3: Cross multiply
    1,481,387.64x = 2,044,308.60 × 828,012.78
  4. Step 4: Simplify right side
    1,481,387.64x = 1,692,713,647,063.91
  5. Step 5: Solve for x
    x = 1,692,713,647,063.91/1,481,387.64
  6. Step 6: Final answer
    x = 1,142,654.09

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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.