Finding the Fourth Proportional to 1,129,673.97, 1,558,560.36 and 722,014.44
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Solution
The fourth proportional to 1,129,673.97, 1,558,560.36 and 722,014.44 is: 996,130.84
Step by Step Solution
- Step 1: Write the proportion equation
1,129,673.97 : 1,558,560.36 = 722,014.44 : x - Step 2: Convert to fraction form
1,129,673.97/1,558,560.36 = 722,014.44/x - Step 3: Cross multiply
1,129,673.97x = 1,558,560.36 × 722,014.44 - Step 4: Simplify right side
1,129,673.97x = 1,125,303,085,531.60 - Step 5: Solve for x
x = 1,125,303,085,531.60/1,129,673.97 - Step 6: Final answer
x = 996,130.84
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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.