Finding the Fourth Proportional to 1,117,750.75, 1,542,496.23 and 608,456.95
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Solution
The fourth proportional to 1,117,750.75, 1,542,496.23 and 608,456.95 is: 839,670.70
Step by Step Solution
- Step 1: Write the proportion equation
1,117,750.75 : 1,542,496.23 = 608,456.95 : x - Step 2: Convert to fraction form
1,117,750.75/1,542,496.23 = 608,456.95/x - Step 3: Cross multiply
1,117,750.75x = 1,542,496.23 × 608,456.95 - Step 4: Simplify right side
1,117,750.75x = 938,542,551,492.30 - Step 5: Solve for x
x = 938,542,551,492.30/1,117,750.75 - Step 6: Final answer
x = 839,670.70
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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.