Finding the Fourth Proportional to 1,360,990.73, 1,878,173.97 and 749,205.02
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Solution
The fourth proportional to 1,360,990.73, 1,878,173.97 and 749,205.02 is: 1,033,906.65
Step by Step Solution
- Step 1: Write the proportion equation
1,360,990.73 : 1,878,173.97 = 749,205.02 : x - Step 2: Convert to fraction form
1,360,990.73/1,878,173.97 = 749,205.02/x - Step 3: Cross multiply
1,360,990.73x = 1,878,173.97 × 749,205.02 - Step 4: Simplify right side
1,360,990.73x = 1,407,137,366,757.33 - Step 5: Solve for x
x = 1,407,137,366,757.33/1,360,990.73 - Step 6: Final answer
x = 1,033,906.65
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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.