Finding the Fourth Proportional to 1,276,071.24, 1,761,102.43 and 953,220.84
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Solution
The fourth proportional to 1,276,071.24, 1,761,102.43 and 953,220.84 is: 1,315,537.46
Step by Step Solution
- Step 1: Write the proportion equation
1,276,071.24 : 1,761,102.43 = 953,220.84 : x - Step 2: Convert to fraction form
1,276,071.24/1,761,102.43 = 953,220.84/x - Step 3: Cross multiply
1,276,071.24x = 1,761,102.43 × 953,220.84 - Step 4: Simplify right side
1,276,071.24x = 1,678,719,528,663.46 - Step 5: Solve for x
x = 1,678,719,528,663.46/1,276,071.24 - Step 6: Final answer
x = 1,315,537.46
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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.