Finding the Fourth Proportional to 1,438,586.03, 1,985,238.80 and 794,006.21
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Solution
The fourth proportional to 1,438,586.03, 1,985,238.80 and 794,006.21 is: 1,095,723.09
Step by Step Solution
- Step 1: Write the proportion equation
1,438,586.03 : 1,985,238.80 = 794,006.21 : x - Step 2: Convert to fraction form
1,438,586.03/1,985,238.80 = 794,006.21/x - Step 3: Cross multiply
1,438,586.03x = 1,985,238.80 × 794,006.21 - Step 4: Simplify right side
1,438,586.03x = 1,576,291,921,636.72 - Step 5: Solve for x
x = 1,576,291,921,636.72/1,438,586.03 - Step 6: Final answer
x = 1,095,723.09
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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.