Finding the Fourth Proportional to 1,020,886.50, 1,531,212.99 and 272,990.82
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Solution
The fourth proportional to 1,020,886.50, 1,531,212.99 and 272,990.82 is: 409,455.01
Step by Step Solution
- Step 1: Write the proportion equation
1,020,886.50 : 1,531,212.99 = 272,990.82 : x - Step 2: Convert to fraction form
1,020,886.50/1,531,212.99 = 272,990.82/x - Step 3: Cross multiply
1,020,886.50x = 1,531,212.99 × 272,990.82 - Step 4: Simplify right side
1,020,886.50x = 418,007,089,734.75 - Step 5: Solve for x
x = 418,007,089,734.75/1,020,886.50 - Step 6: Final answer
x = 409,455.01
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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.