Finding the Fourth Proportional to 1,419,783.84, 1,959,286.86 and 775,202.04
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Solution
The fourth proportional to 1,419,783.84, 1,959,286.86 and 775,202.04 is: 1,069,770.71
Step by Step Solution
- Step 1: Write the proportion equation
1,419,783.84 : 1,959,286.86 = 775,202.04 : x - Step 2: Convert to fraction form
1,419,783.84/1,959,286.86 = 775,202.04/x - Step 3: Cross multiply
1,419,783.84x = 1,959,286.86 × 775,202.04 - Step 4: Simplify right side
1,419,783.84x = 1,518,843,170,817.19 - Step 5: Solve for x
x = 1,518,843,170,817.19/1,419,783.84 - Step 6: Final answer
x = 1,069,770.71
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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.