Home / 1,092,000.40-1,511,999.40-1,008,019.60

Finding the Fourth Proportional to 1,092,000.40, 1,511,999.40 and 1,008,019.60

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Solution

The fourth proportional to 1,092,000.40, 1,511,999.40 and 1,008,019.60 is: 1,395,718.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,000.40 : 1,511,999.40 = 1,008,019.60 : x
  2. Step 2: Convert to fraction form
    1,092,000.40/1,511,999.40 = 1,008,019.60/x
  3. Step 3: Cross multiply
    1,092,000.40x = 1,511,999.40 × 1,008,019.60
  4. Step 4: Simplify right side
    1,092,000.40x = 1,524,125,030,388.24
  5. Step 5: Solve for x
    x = 1,524,125,030,388.24/1,092,000.40
  6. Step 6: Final answer
    x = 1,395,718.38

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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.