Finding the Fourth Proportional to 1,068,917.13, 1,474,546.59 and 660,888.54
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Solution
The fourth proportional to 1,068,917.13, 1,474,546.59 and 660,888.54 is: 911,680.54
Step by Step Solution
- Step 1: Write the proportion equation
1,068,917.13 : 1,474,546.59 = 660,888.54 : x - Step 2: Convert to fraction form
1,068,917.13/1,474,546.59 = 660,888.54/x - Step 3: Cross multiply
1,068,917.13x = 1,474,546.59 × 660,888.54 - Step 4: Simplify right side
1,068,917.13x = 974,510,943,027.08 - Step 5: Solve for x
x = 974,510,943,027.08/1,068,917.13 - Step 6: Final answer
x = 911,680.54
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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.