Finding the Fourth Proportional to 840,757.41, 1,261,634.36 and 787,561.07
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Solution
The fourth proportional to 840,757.41, 1,261,634.36 and 787,561.07 is: 1,181,808.31
Step by Step Solution
- Step 1: Write the proportion equation
840,757.41 : 1,261,634.36 = 787,561.07 : x - Step 2: Convert to fraction form
840,757.41/1,261,634.36 = 787,561.07/x - Step 3: Cross multiply
840,757.41x = 1,261,634.36 × 787,561.07 - Step 4: Simplify right side
840,757.41x = 993,614,096,264.39 - Step 5: Solve for x
x = 993,614,096,264.39/840,757.41 - Step 6: Final answer
x = 1,181,808.31
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.