Finding the Fourth Proportional to 1,438,910.62, 1,985,644.62 and 794,316.97
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Solution
The fourth proportional to 1,438,910.62, 1,985,644.62 and 794,316.97 is: 1,096,128.69
Step by Step Solution
- Step 1: Write the proportion equation
1,438,910.62 : 1,985,644.62 = 794,316.97 : x - Step 2: Convert to fraction form
1,438,910.62/1,985,644.62 = 794,316.97/x - Step 3: Cross multiply
1,438,910.62x = 1,985,644.62 × 794,316.97 - Step 4: Simplify right side
1,438,910.62x = 1,577,231,218,055.20 - Step 5: Solve for x
x = 1,577,231,218,055.20/1,438,910.62 - Step 6: Final answer
x = 1,096,128.69
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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.