Finding the Fourth Proportional to 1,276,473.69, 1,761,481.84 and 695,684.49
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Solution
The fourth proportional to 1,276,473.69, 1,761,481.84 and 695,684.49 is: 960,016.33
Step by Step Solution
- Step 1: Write the proportion equation
1,276,473.69 : 1,761,481.84 = 695,684.49 : x - Step 2: Convert to fraction form
1,276,473.69/1,761,481.84 = 695,684.49/x - Step 3: Cross multiply
1,276,473.69x = 1,761,481.84 × 695,684.49 - Step 4: Simplify right side
1,276,473.69x = 1,225,435,588,223.68 - Step 5: Solve for x
x = 1,225,435,588,223.68/1,276,473.69 - Step 6: Final answer
x = 960,016.33
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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.