Finding the Fourth Proportional to 1,079,934.12, 1,619,879.31 and 281,197.98
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Solution
The fourth proportional to 1,079,934.12, 1,619,879.31 and 281,197.98 is: 421,791.28
Step by Step Solution
- Step 1: Write the proportion equation
1,079,934.12 : 1,619,879.31 = 281,197.98 : x - Step 2: Convert to fraction form
1,079,934.12/1,619,879.31 = 281,197.98/x - Step 3: Cross multiply
1,079,934.12x = 1,619,879.31 × 281,197.98 - Step 4: Simplify right side
1,079,934.12x = 455,506,789,815.79 - Step 5: Solve for x
x = 455,506,789,815.79/1,079,934.12 - Step 6: Final answer
x = 421,791.28
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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.