Finding the Fourth Proportional to 1,232,683.75, 1,701,071.87 and 688,823.99
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Solution
The fourth proportional to 1,232,683.75, 1,701,071.87 and 688,823.99 is: 950,559.39
Step by Step Solution
- Step 1: Write the proportion equation
1,232,683.75 : 1,701,071.87 = 688,823.99 : x - Step 2: Convert to fraction form
1,232,683.75/1,701,071.87 = 688,823.99/x - Step 3: Cross multiply
1,232,683.75x = 1,701,071.87 × 688,823.99 - Step 4: Simplify right side
1,232,683.75x = 1,171,739,112,770.16 - Step 5: Solve for x
x = 1,171,739,112,770.16/1,232,683.75 - Step 6: Final answer
x = 950,559.39
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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.