Finding the Fourth Proportional to 1,438,958.36, 1,985,710.38 and 794,364.68
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Solution
The fourth proportional to 1,438,958.36, 1,985,710.38 and 794,364.68 is: 1,096,194.47
Step by Step Solution
- Step 1: Write the proportion equation
1,438,958.36 : 1,985,710.38 = 794,364.68 : x - Step 2: Convert to fraction form
1,438,958.36/1,985,710.38 = 794,364.68/x - Step 3: Cross multiply
1,438,958.36x = 1,985,710.38 × 794,364.68 - Step 4: Simplify right side
1,438,958.36x = 1,577,378,190,581.38 - Step 5: Solve for x
x = 1,577,378,190,581.38/1,438,958.36 - Step 6: Final answer
x = 1,096,194.47
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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.