Finding the Fourth Proportional to 1,440,381.44, 1,987,557.12 and 795,763.20
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Solution
The fourth proportional to 1,440,381.44, 1,987,557.12 and 795,763.20 is: 1,098,059.70
Step by Step Solution
- Step 1: Write the proportion equation
1,440,381.44 : 1,987,557.12 = 795,763.20 : x - Step 2: Convert to fraction form
1,440,381.44/1,987,557.12 = 795,763.20/x - Step 3: Cross multiply
1,440,381.44x = 1,987,557.12 × 795,763.20 - Step 4: Simplify right side
1,440,381.44x = 1,581,624,813,993.98 - Step 5: Solve for x
x = 1,581,624,813,993.98/1,440,381.44 - Step 6: Final answer
x = 1,098,059.70
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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.