Finding the Fourth Proportional to 1,413,682.77, 1,950,890.70 and 769,107.58
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Solution
The fourth proportional to 1,413,682.77, 1,950,890.70 and 769,107.58 is: 1,061,373.07
Step by Step Solution
- Step 1: Write the proportion equation
1,413,682.77 : 1,950,890.70 = 769,107.58 : x - Step 2: Convert to fraction form
1,413,682.77/1,950,890.70 = 769,107.58/x - Step 3: Cross multiply
1,413,682.77x = 1,950,890.70 × 769,107.58 - Step 4: Simplify right side
1,413,682.77x = 1,500,444,825,121.51 - Step 5: Solve for x
x = 1,500,444,825,121.51/1,413,682.77 - Step 6: Final answer
x = 1,061,373.07
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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.