Finding the Fourth Proportional to 1,276,595.10, 1,761,670.08 and 703,622.70
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Solution
The fourth proportional to 1,276,595.10, 1,761,670.08 and 703,622.70 is: 970,982.15
Step by Step Solution
- Step 1: Write the proportion equation
1,276,595.10 : 1,761,670.08 = 703,622.70 : x - Step 2: Convert to fraction form
1,276,595.10/1,761,670.08 = 703,622.70/x - Step 3: Cross multiply
1,276,595.10x = 1,761,670.08 × 703,622.70 - Step 4: Simplify right side
1,276,595.10x = 1,239,551,058,198.82 - Step 5: Solve for x
x = 1,239,551,058,198.82/1,276,595.10 - Step 6: Final answer
x = 970,982.15
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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.