Finding the Fourth Proportional to 1,074,633.57, 1,611,891.99 and 326,621.25
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Solution
The fourth proportional to 1,074,633.57, 1,611,891.99 and 326,621.25 is: 489,914.14
Step by Step Solution
- Step 1: Write the proportion equation
1,074,633.57 : 1,611,891.99 = 326,621.25 : x - Step 2: Convert to fraction form
1,074,633.57/1,611,891.99 = 326,621.25/x - Step 3: Cross multiply
1,074,633.57x = 1,611,891.99 × 326,621.25 - Step 4: Simplify right side
1,074,633.57x = 526,478,176,638.79 - Step 5: Solve for x
x = 526,478,176,638.79/1,074,633.57 - Step 6: Final answer
x = 489,914.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.