Finding the Fourth Proportional to 1,276,782.98, 1,761,972.48 and 703,843.65
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Solution
The fourth proportional to 1,276,782.98, 1,761,972.48 and 703,843.65 is: 971,310.84
Step by Step Solution
- Step 1: Write the proportion equation
1,276,782.98 : 1,761,972.48 = 703,843.65 : x - Step 2: Convert to fraction form
1,276,782.98/1,761,972.48 = 703,843.65/x - Step 3: Cross multiply
1,276,782.98x = 1,761,972.48 × 703,843.65 - Step 4: Simplify right side
1,276,782.98x = 1,240,153,141,522.75 - Step 5: Solve for x
x = 1,240,153,141,522.75/1,276,782.98 - Step 6: Final answer
x = 971,310.84
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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.