Finding the Fourth Proportional to 1,284,039.05, 1,925,604.23 and 373,031.97
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Solution
The fourth proportional to 1,284,039.05, 1,925,604.23 and 373,031.97 is: 559,415.96
Step by Step Solution
- Step 1: Write the proportion equation
1,284,039.05 : 1,925,604.23 = 373,031.97 : x - Step 2: Convert to fraction form
1,284,039.05/1,925,604.23 = 373,031.97/x - Step 3: Cross multiply
1,284,039.05x = 1,925,604.23 × 373,031.97 - Step 4: Simplify right side
1,284,039.05x = 718,311,939,357.23 - Step 5: Solve for x
x = 718,311,939,357.23/1,284,039.05 - Step 6: Final answer
x = 559,415.96
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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.