Finding the Fourth Proportional to 1,207,544.37, 1,666,428.48 and 663,730.44
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Solution
The fourth proportional to 1,207,544.37, 1,666,428.48 and 663,730.44 is: 915,957.49
Step by Step Solution
- Step 1: Write the proportion equation
1,207,544.37 : 1,666,428.48 = 663,730.44 : x - Step 2: Convert to fraction form
1,207,544.37/1,666,428.48 = 663,730.44/x - Step 3: Cross multiply
1,207,544.37x = 1,666,428.48 × 663,730.44 - Step 4: Simplify right side
1,207,544.37x = 1,106,059,308,258.93 - Step 5: Solve for x
x = 1,106,059,308,258.93/1,207,544.37 - Step 6: Final answer
x = 915,957.49
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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.