Finding the Fourth Proportional to 1,423,896.45, 1,964,740.91 and 812,093.68
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Solution
The fourth proportional to 1,423,896.45, 1,964,740.91 and 812,093.68 is: 1,120,554.56
Step by Step Solution
- Step 1: Write the proportion equation
1,423,896.45 : 1,964,740.91 = 812,093.68 : x - Step 2: Convert to fraction form
1,423,896.45/1,964,740.91 = 812,093.68/x - Step 3: Cross multiply
1,423,896.45x = 1,964,740.91 × 812,093.68 - Step 4: Simplify right side
1,423,896.45x = 1,595,553,666,876.13 - Step 5: Solve for x
x = 1,595,553,666,876.13/1,423,896.45 - Step 6: Final answer
x = 1,120,554.56
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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.