Finding the Fourth Proportional to 1,160,740.09, 1,601,824.44 and 644,494.98
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Solution
The fourth proportional to 1,160,740.09, 1,601,824.44 and 644,494.98 is: 889,404.80
Step by Step Solution
- Step 1: Write the proportion equation
1,160,740.09 : 1,601,824.44 = 644,494.98 : x - Step 2: Convert to fraction form
1,160,740.09/1,601,824.44 = 644,494.98/x - Step 3: Cross multiply
1,160,740.09x = 1,601,824.44 × 644,494.98 - Step 4: Simplify right side
1,160,740.09x = 1,032,367,810,421.31 - Step 5: Solve for x
x = 1,032,367,810,421.31/1,160,740.09 - Step 6: Final answer
x = 889,404.80
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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.