Finding the Fourth Proportional to 1,318,992.68, 1,820,044.42 and 782,345
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Solution
The fourth proportional to 1,318,992.68, 1,820,044.42 and 782,345 is: 1,079,537.95
Step by Step Solution
- Step 1: Write the proportion equation
1,318,992.68 : 1,820,044.42 = 782,345 : x - Step 2: Convert to fraction form
1,318,992.68/1,820,044.42 = 782,345/x - Step 3: Cross multiply
1,318,992.68x = 1,820,044.42 × 782,345 - Step 4: Simplify right side
1,318,992.68x = 1,423,902,651,764.90 - Step 5: Solve for x
x = 1,423,902,651,764.90/1,318,992.68 - Step 6: Final answer
x = 1,079,537.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.