Finding the Fourth Proportional to 1,369,934.74, 1,890,481.65 and 758,087.09
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Solution
The fourth proportional to 1,369,934.74, 1,890,481.65 and 758,087.09 is: 1,046,144.53
Step by Step Solution
- Step 1: Write the proportion equation
1,369,934.74 : 1,890,481.65 = 758,087.09 : x - Step 2: Convert to fraction form
1,369,934.74/1,890,481.65 = 758,087.09/x - Step 3: Cross multiply
1,369,934.74x = 1,890,481.65 × 758,087.09 - Step 4: Simplify right side
1,369,934.74x = 1,433,149,737,473.10 - Step 5: Solve for x
x = 1,433,149,737,473.10/1,369,934.74 - Step 6: Final answer
x = 1,046,144.53
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.