Finding the Fourth Proportional to 1,385,235.09, 2,079,129.92 and 702,601.02
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Solution
The fourth proportional to 1,385,235.09, 2,079,129.92 and 702,601.02 is: 1,054,549.38
Step by Step Solution
- Step 1: Write the proportion equation
1,385,235.09 : 2,079,129.92 = 702,601.02 : x - Step 2: Convert to fraction form
1,385,235.09/2,079,129.92 = 702,601.02/x - Step 3: Cross multiply
1,385,235.09x = 2,079,129.92 × 702,601.02 - Step 4: Simplify right side
1,385,235.09x = 1,460,798,798,991.51 - Step 5: Solve for x
x = 1,460,798,798,991.51/1,385,235.09 - Step 6: Final answer
x = 1,054,549.38
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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.