Finding the Fourth Proportional to 1,193,081.08, 1,646,403.42 and 683,429.08
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Solution
The fourth proportional to 1,193,081.08, 1,646,403.42 and 683,429.08 is: 943,104.37
Step by Step Solution
- Step 1: Write the proportion equation
1,193,081.08 : 1,646,403.42 = 683,429.08 : x - Step 2: Convert to fraction form
1,193,081.08/1,646,403.42 = 683,429.08/x - Step 3: Cross multiply
1,193,081.08x = 1,646,403.42 × 683,429.08 - Step 4: Simplify right side
1,193,081.08x = 1,125,199,974,639.45 - Step 5: Solve for x
x = 1,125,199,974,639.45/1,193,081.08 - Step 6: Final answer
x = 943,104.37
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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.