Finding the Fourth Proportional to 1,419,878.79, 1,959,425.10 and 775,299.42
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Solution
The fourth proportional to 1,419,878.79, 1,959,425.10 and 775,299.42 is: 1,069,909.03
Step by Step Solution
- Step 1: Write the proportion equation
1,419,878.79 : 1,959,425.10 = 775,299.42 : x - Step 2: Convert to fraction form
1,419,878.79/1,959,425.10 = 775,299.42/x - Step 3: Cross multiply
1,419,878.79x = 1,959,425.10 × 775,299.42 - Step 4: Simplify right side
1,419,878.79x = 1,519,141,143,563.44 - Step 5: Solve for x
x = 1,519,141,143,563.44/1,419,878.79 - Step 6: Final answer
x = 1,069,909.03
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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.