Finding the Fourth Proportional to 1,406,203.97, 1,940,719.21 and 794,396.15
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Solution
The fourth proportional to 1,406,203.97, 1,940,719.21 and 794,396.15 is: 1,096,355.79
Step by Step Solution
- Step 1: Write the proportion equation
1,406,203.97 : 1,940,719.21 = 794,396.15 : x - Step 2: Convert to fraction form
1,406,203.97/1,940,719.21 = 794,396.15/x - Step 3: Cross multiply
1,406,203.97x = 1,940,719.21 × 794,396.15 - Step 4: Simplify right side
1,406,203.97x = 1,541,699,868,655.04 - Step 5: Solve for x
x = 1,541,699,868,655.04/1,406,203.97 - Step 6: Final answer
x = 1,096,355.79
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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.