Finding the Fourth Proportional to 1,276,252.34, 1,761,239.87 and 703,313.06
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Solution
The fourth proportional to 1,276,252.34, 1,761,239.87 and 703,313.06 is: 970,578.43
Step by Step Solution
- Step 1: Write the proportion equation
1,276,252.34 : 1,761,239.87 = 703,313.06 : x - Step 2: Convert to fraction form
1,276,252.34/1,761,239.87 = 703,313.06/x - Step 3: Cross multiply
1,276,252.34x = 1,761,239.87 × 703,313.06 - Step 4: Simplify right side
1,276,252.34x = 1,238,702,990,040.94 - Step 5: Solve for x
x = 1,238,702,990,040.94/1,276,252.34 - Step 6: Final answer
x = 970,578.43
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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.