Finding the Fourth Proportional to 1,440,438.40, 1,987,845.10 and 795,900.14
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Solution
The fourth proportional to 1,440,438.40, 1,987,845.10 and 795,900.14 is: 1,098,364.35
Step by Step Solution
- Step 1: Write the proportion equation
1,440,438.40 : 1,987,845.10 = 795,900.14 : x - Step 2: Convert to fraction form
1,440,438.40/1,987,845.10 = 795,900.14/x - Step 3: Cross multiply
1,440,438.40x = 1,987,845.10 × 795,900.14 - Step 4: Simplify right side
1,440,438.40x = 1,582,126,193,388.31 - Step 5: Solve for x
x = 1,582,126,193,388.31/1,440,438.40 - Step 6: Final answer
x = 1,098,364.35
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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.