Home / 1,926,361.20-2,889,887.40-804,543.60

Finding the Fourth Proportional to 1,926,361.20, 2,889,887.40 and 804,543.60

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Solution

The fourth proportional to 1,926,361.20, 2,889,887.40 and 804,543.60 is: 1,206,959.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,926,361.20 : 2,889,887.40 = 804,543.60 : x
  2. Step 2: Convert to fraction form
    1,926,361.20/2,889,887.40 = 804,543.60/x
  3. Step 3: Cross multiply
    1,926,361.20x = 2,889,887.40 × 804,543.60
  4. Step 4: Simplify right side
    1,926,361.20x = 2,325,040,412,390.64
  5. Step 5: Solve for x
    x = 2,325,040,412,390.64/1,926,361.20
  6. Step 6: Final answer
    x = 1,206,959.74

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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.