Finding the Fourth Proportional to 1,276,258.92, 1,914,388.70 and 377,631.08
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Solution
The fourth proportional to 1,276,258.92, 1,914,388.70 and 377,631.08 is: 566,446.71
Step by Step Solution
- Step 1: Write the proportion equation
1,276,258.92 : 1,914,388.70 = 377,631.08 : x - Step 2: Convert to fraction form
1,276,258.92/1,914,388.70 = 377,631.08/x - Step 3: Cross multiply
1,276,258.92x = 1,914,388.70 × 377,631.08 - Step 4: Simplify right side
1,276,258.92x = 722,932,672,320.80 - Step 5: Solve for x
x = 722,932,672,320.80/1,276,258.92 - Step 6: Final answer
x = 566,446.71
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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.