Finding the Fourth Proportional to 1,079,339.81, 1,618,714.14 and 405,368.97
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Solution
The fourth proportional to 1,079,339.81, 1,618,714.14 and 405,368.97 is: 607,942.45
Step by Step Solution
- Step 1: Write the proportion equation
1,079,339.81 : 1,618,714.14 = 405,368.97 : x - Step 2: Convert to fraction form
1,079,339.81/1,618,714.14 = 405,368.97/x - Step 3: Cross multiply
1,079,339.81x = 1,618,714.14 × 405,368.97 - Step 4: Simplify right side
1,079,339.81x = 656,176,483,656.24 - Step 5: Solve for x
x = 656,176,483,656.24/1,079,339.81 - Step 6: Final answer
x = 607,942.45
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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.