Finding the Fourth Proportional to 1,193,129.13, 1,646,518.46 and 656,585.13
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Solution
The fourth proportional to 1,193,129.13, 1,646,518.46 and 656,585.13 is: 906,087.62
Step by Step Solution
- Step 1: Write the proportion equation
1,193,129.13 : 1,646,518.46 = 656,585.13 : x - Step 2: Convert to fraction form
1,193,129.13/1,646,518.46 = 656,585.13/x - Step 3: Cross multiply
1,193,129.13x = 1,646,518.46 × 656,585.13 - Step 4: Simplify right side
1,193,129.13x = 1,081,079,537,106.50 - Step 5: Solve for x
x = 1,081,079,537,106.50/1,193,129.13 - Step 6: Final answer
x = 906,087.62
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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.