Finding the Fourth Proportional to 1,217,525.21, 1,826,368 and 318,988.97
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Solution
The fourth proportional to 1,217,525.21, 1,826,368 and 318,988.97 is: 478,504.46
Step by Step Solution
- Step 1: Write the proportion equation
1,217,525.21 : 1,826,368 = 318,988.97 : x - Step 2: Convert to fraction form
1,217,525.21/1,826,368 = 318,988.97/x - Step 3: Cross multiply
1,217,525.21x = 1,826,368 × 318,988.97 - Step 4: Simplify right side
1,217,525.21x = 582,591,247,160.96 - Step 5: Solve for x
x = 582,591,247,160.96/1,217,525.21 - Step 6: Final answer
x = 478,504.46
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.