Finding the Fourth Proportional to 1,334,765.80, 1,842,138.60 and 754,013.40
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Solution
The fourth proportional to 1,334,765.80, 1,842,138.60 and 754,013.40 is: 1,040,629.89
Step by Step Solution
- Step 1: Write the proportion equation
1,334,765.80 : 1,842,138.60 = 754,013.40 : x - Step 2: Convert to fraction form
1,334,765.80/1,842,138.60 = 754,013.40/x - Step 3: Cross multiply
1,334,765.80x = 1,842,138.60 × 754,013.40 - Step 4: Simplify right side
1,334,765.80x = 1,388,997,189,057.24 - Step 5: Solve for x
x = 1,388,997,189,057.24/1,334,765.80 - Step 6: Final answer
x = 1,040,629.89
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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.