Finding the Fourth Proportional to 1,219,794.92, 1,829,604.70 and 378,324.84
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Solution
The fourth proportional to 1,219,794.92, 1,829,604.70 and 378,324.84 is: 567,460.07
Step by Step Solution
- Step 1: Write the proportion equation
1,219,794.92 : 1,829,604.70 = 378,324.84 : x - Step 2: Convert to fraction form
1,219,794.92/1,829,604.70 = 378,324.84/x - Step 3: Cross multiply
1,219,794.92x = 1,829,604.70 × 378,324.84 - Step 4: Simplify right side
1,219,794.92x = 692,184,905,390.75 - Step 5: Solve for x
x = 692,184,905,390.75/1,219,794.92 - Step 6: Final answer
x = 567,460.07
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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.