Finding the Fourth Proportional to 1,438,950.74, 1,985,726.82 and 794,354.36
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Solution
The fourth proportional to 1,438,950.74, 1,985,726.82 and 794,354.36 is: 1,096,195.10
Step by Step Solution
- Step 1: Write the proportion equation
1,438,950.74 : 1,985,726.82 = 794,354.36 : x - Step 2: Convert to fraction form
1,438,950.74/1,985,726.82 = 794,354.36/x - Step 3: Cross multiply
1,438,950.74x = 1,985,726.82 × 794,354.36 - Step 4: Simplify right side
1,438,950.74x = 1,577,370,757,235.94 - Step 5: Solve for x
x = 1,577,370,757,235.94/1,438,950.74 - Step 6: Final answer
x = 1,096,195.10
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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.