Finding the Fourth Proportional to 1,438,812.54, 1,985,561.69 and 794,233.17
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Solution
The fourth proportional to 1,438,812.54, 1,985,561.69 and 794,233.17 is: 1,096,041.99
Step by Step Solution
- Step 1: Write the proportion equation
1,438,812.54 : 1,985,561.69 = 794,233.17 : x - Step 2: Convert to fraction form
1,438,812.54/1,985,561.69 = 794,233.17/x - Step 3: Cross multiply
1,438,812.54x = 1,985,561.69 × 794,233.17 - Step 4: Simplify right side
1,438,812.54x = 1,576,998,955,279.26 - Step 5: Solve for x
x = 1,576,998,955,279.26/1,438,812.54 - Step 6: Final answer
x = 1,096,041.99
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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.