Home / 1,206,739.06-1,810,106.80-308,181.36

Finding the Fourth Proportional to 1,206,739.06, 1,810,106.80 and 308,181.36

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Solution

The fourth proportional to 1,206,739.06, 1,810,106.80 and 308,181.36 is: 462,271.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,739.06 : 1,810,106.80 = 308,181.36 : x
  2. Step 2: Convert to fraction form
    1,206,739.06/1,810,106.80 = 308,181.36/x
  3. Step 3: Cross multiply
    1,206,739.06x = 1,810,106.80 × 308,181.36
  4. Step 4: Simplify right side
    1,206,739.06x = 557,841,175,369.25
  5. Step 5: Solve for x
    x = 557,841,175,369.25/1,206,739.06
  6. Step 6: Final answer
    x = 462,271.58

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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.