Home / 1,136,690.41-1,705,308.08-378,538.44

Finding the Fourth Proportional to 1,136,690.41, 1,705,308.08 and 378,538.44

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Solution

The fourth proportional to 1,136,690.41, 1,705,308.08 and 378,538.44 is: 567,898.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,690.41 : 1,705,308.08 = 378,538.44 : x
  2. Step 2: Convert to fraction form
    1,136,690.41/1,705,308.08 = 378,538.44/x
  3. Step 3: Cross multiply
    1,136,690.41x = 1,705,308.08 × 378,538.44
  4. Step 4: Simplify right side
    1,136,690.41x = 645,524,661,268.94
  5. Step 5: Solve for x
    x = 645,524,661,268.94/1,136,690.41
  6. Step 6: Final answer
    x = 567,898.40

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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.