Finding the Fourth Proportional to 1,192,589.67, 1,646,201.04 and 709,153.23
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Solution
The fourth proportional to 1,192,589.67, 1,646,201.04 and 709,153.23 is: 978,885.54
Step by Step Solution
- Step 1: Write the proportion equation
1,192,589.67 : 1,646,201.04 = 709,153.23 : x - Step 2: Convert to fraction form
1,192,589.67/1,646,201.04 = 709,153.23/x - Step 3: Cross multiply
1,192,589.67x = 1,646,201.04 × 709,153.23 - Step 4: Simplify right side
1,192,589.67x = 1,167,408,784,745.36 - Step 5: Solve for x
x = 1,167,408,784,745.36/1,192,589.67 - Step 6: Final answer
x = 978,885.54
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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.