Finding the Fourth Proportional to 1,434,591.62, 1,976,369.06 and 998,258.58
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Solution
The fourth proportional to 1,434,591.62, 1,976,369.06 and 998,258.58 is: 1,375,253.66
Step by Step Solution
- Step 1: Write the proportion equation
1,434,591.62 : 1,976,369.06 = 998,258.58 : x - Step 2: Convert to fraction form
1,434,591.62/1,976,369.06 = 998,258.58/x - Step 3: Cross multiply
1,434,591.62x = 1,976,369.06 × 998,258.58 - Step 4: Simplify right side
1,434,591.62x = 1,972,927,366,400.24 - Step 5: Solve for x
x = 1,972,927,366,400.24/1,434,591.62 - Step 6: Final answer
x = 1,375,253.66
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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.