Finding the Fourth Proportional to 1,438,697.76, 1,985,391.96 and 794,117.88
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Solution
The fourth proportional to 1,438,697.76, 1,985,391.96 and 794,117.88 is: 1,095,876.63
Step by Step Solution
- Step 1: Write the proportion equation
1,438,697.76 : 1,985,391.96 = 794,117.88 : x - Step 2: Convert to fraction form
1,438,697.76/1,985,391.96 = 794,117.88/x - Step 3: Cross multiply
1,438,697.76x = 1,985,391.96 × 794,117.88 - Step 4: Simplify right side
1,438,697.76x = 1,576,635,254,244.25 - Step 5: Solve for x
x = 1,576,635,254,244.25/1,438,697.76 - Step 6: Final answer
x = 1,095,876.63
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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.