Finding the Fourth Proportional to 1,068,385.32, 1,601,470.26 and 668,107.08
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Solution
The fourth proportional to 1,068,385.32, 1,601,470.26 and 668,107.08 is: 1,001,467.92
Step by Step Solution
- Step 1: Write the proportion equation
1,068,385.32 : 1,601,470.26 = 668,107.08 : x - Step 2: Convert to fraction form
1,068,385.32/1,601,470.26 = 668,107.08/x - Step 3: Cross multiply
1,068,385.32x = 1,601,470.26 × 668,107.08 - Step 4: Simplify right side
1,068,385.32x = 1,069,953,619,115.44 - Step 5: Solve for x
x = 1,069,953,619,115.44/1,068,385.32 - Step 6: Final answer
x = 1,001,467.92
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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.