Finding the Fourth Proportional to 1,069,896.80, 1,476,608.63 and 662,129.97
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Solution
The fourth proportional to 1,069,896.80, 1,476,608.63 and 662,129.97 is: 913,832.84
Step by Step Solution
- Step 1: Write the proportion equation
1,069,896.80 : 1,476,608.63 = 662,129.97 : x - Step 2: Convert to fraction form
1,069,896.80/1,476,608.63 = 662,129.97/x - Step 3: Cross multiply
1,069,896.80x = 1,476,608.63 × 662,129.97 - Step 4: Simplify right side
1,069,896.80x = 977,706,824,572.99 - Step 5: Solve for x
x = 977,706,824,572.99/1,069,896.80 - Step 6: Final answer
x = 913,832.84
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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.