Finding the Fourth Proportional to 1,419,896.18, 1,959,459.20 and 775,302.64
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Solution
The fourth proportional to 1,419,896.18, 1,959,459.20 and 775,302.64 is: 1,069,918.99
Step by Step Solution
- Step 1: Write the proportion equation
1,419,896.18 : 1,959,459.20 = 775,302.64 : x - Step 2: Convert to fraction form
1,419,896.18/1,959,459.20 = 775,302.64/x - Step 3: Cross multiply
1,419,896.18x = 1,959,459.20 × 775,302.64 - Step 4: Simplify right side
1,419,896.18x = 1,519,173,889,225.59 - Step 5: Solve for x
x = 1,519,173,889,225.59/1,419,896.18 - Step 6: Final answer
x = 1,069,918.99
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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.