Finding the Fourth Proportional to 1,276,698.17, 1,761,843.05 and 703,747.91
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Solution
The fourth proportional to 1,276,698.17, 1,761,843.05 and 703,747.91 is: 971,171.88
Step by Step Solution
- Step 1: Write the proportion equation
1,276,698.17 : 1,761,843.05 = 703,747.91 : x - Step 2: Convert to fraction form
1,276,698.17/1,761,843.05 = 703,747.91/x - Step 3: Cross multiply
1,276,698.17x = 1,761,843.05 × 703,747.91 - Step 4: Simplify right side
1,276,698.17x = 1,239,893,367,710.45 - Step 5: Solve for x
x = 1,239,893,367,710.45/1,276,698.17 - Step 6: Final answer
x = 971,171.88
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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.