Home / 1,330,103.80-1,993,989.30-797,836.60

Finding the Fourth Proportional to 1,330,103.80, 1,993,989.30 and 797,836.60

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Solution

The fourth proportional to 1,330,103.80, 1,993,989.30 and 797,836.60 is: 1,196,055.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,103.80 : 1,993,989.30 = 797,836.60 : x
  2. Step 2: Convert to fraction form
    1,330,103.80/1,993,989.30 = 797,836.60/x
  3. Step 3: Cross multiply
    1,330,103.80x = 1,993,989.30 × 797,836.60
  4. Step 4: Simplify right side
    1,330,103.80x = 1,590,877,643,548.38
  5. Step 5: Solve for x
    x = 1,590,877,643,548.38/1,330,103.80
  6. Step 6: Final answer
    x = 1,196,055.26

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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.