Finding the Fourth Proportional to 1,328,691.29, 1,992,071.42 and 529,733.21
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Solution
The fourth proportional to 1,328,691.29, 1,992,071.42 and 529,733.21 is: 794,214.87
Step by Step Solution
- Step 1: Write the proportion equation
1,328,691.29 : 1,992,071.42 = 529,733.21 : x - Step 2: Convert to fraction form
1,328,691.29/1,992,071.42 = 529,733.21/x - Step 3: Cross multiply
1,328,691.29x = 1,992,071.42 × 529,733.21 - Step 4: Simplify right side
1,328,691.29x = 1,055,266,385,217.19 - Step 5: Solve for x
x = 1,055,266,385,217.19/1,328,691.29 - Step 6: Final answer
x = 794,214.87
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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.