Finding the Fourth Proportional to 1,125,811.53, 1,688,821.11 and 367,656.96
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Solution
The fourth proportional to 1,125,811.53, 1,688,821.11 and 367,656.96 is: 551,519.34
Step by Step Solution
- Step 1: Write the proportion equation
1,125,811.53 : 1,688,821.11 = 367,656.96 : x - Step 2: Convert to fraction form
1,125,811.53/1,688,821.11 = 367,656.96/x - Step 3: Cross multiply
1,125,811.53x = 1,688,821.11 × 367,656.96 - Step 4: Simplify right side
1,125,811.53x = 620,906,835,286.43 - Step 5: Solve for x
x = 620,906,835,286.43/1,125,811.53 - Step 6: Final answer
x = 551,519.34
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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.