Finding the Fourth Proportional to 1,438,678.44, 1,985,376.41 and 794,098.81
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Solution
The fourth proportional to 1,438,678.44, 1,985,376.41 and 794,098.81 is: 1,095,856.45
Step by Step Solution
- Step 1: Write the proportion equation
1,438,678.44 : 1,985,376.41 = 794,098.81 : x - Step 2: Convert to fraction form
1,438,678.44/1,985,376.41 = 794,098.81/x - Step 3: Cross multiply
1,438,678.44x = 1,985,376.41 × 794,098.81 - Step 4: Simplify right side
1,438,678.44x = 1,576,585,044,583.07 - Step 5: Solve for x
x = 1,576,585,044,583.07/1,438,678.44 - Step 6: Final answer
x = 1,095,856.45
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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.