Home / 1,635,119.40-2,453,067.90-688,002.60

Finding the Fourth Proportional to 1,635,119.40, 2,453,067.90 and 688,002.60

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Solution

The fourth proportional to 1,635,119.40, 2,453,067.90 and 688,002.60 is: 1,032,167.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,635,119.40 : 2,453,067.90 = 688,002.60 : x
  2. Step 2: Convert to fraction form
    1,635,119.40/2,453,067.90 = 688,002.60/x
  3. Step 3: Cross multiply
    1,635,119.40x = 2,453,067.90 × 688,002.60
  4. Step 4: Simplify right side
    1,635,119.40x = 1,687,717,093,176.54
  5. Step 5: Solve for x
    x = 1,687,717,093,176.54/1,635,119.40
  6. Step 6: Final answer
    x = 1,032,167.49

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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.