Finding the Fourth Proportional to 1,107,210.80, 1,656,879.60 and 768,663.20
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Solution
The fourth proportional to 1,107,210.80, 1,656,879.60 and 768,663.20 is: 1,150,261.88
Step by Step Solution
- Step 1: Write the proportion equation
1,107,210.80 : 1,656,879.60 = 768,663.20 : x - Step 2: Convert to fraction form
1,107,210.80/1,656,879.60 = 768,663.20/x - Step 3: Cross multiply
1,107,210.80x = 1,656,879.60 × 768,663.20 - Step 4: Simplify right side
1,107,210.80x = 1,273,582,375,350.72 - Step 5: Solve for x
x = 1,273,582,375,350.72/1,107,210.80 - Step 6: Final answer
x = 1,150,261.88
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.