Finding the Fourth Proportional to 1,419,289.38, 1,958,656.41 and 774,769.14
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Solution
The fourth proportional to 1,419,289.38, 1,958,656.41 and 774,769.14 is: 1,069,201.65
Step by Step Solution
- Step 1: Write the proportion equation
1,419,289.38 : 1,958,656.41 = 774,769.14 : x - Step 2: Convert to fraction form
1,419,289.38/1,958,656.41 = 774,769.14/x - Step 3: Cross multiply
1,419,289.38x = 1,958,656.41 × 774,769.14 - Step 4: Simplify right side
1,419,289.38x = 1,517,506,542,331.19 - Step 5: Solve for x
x = 1,517,506,542,331.19/1,419,289.38 - Step 6: Final answer
x = 1,069,201.65
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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.