Finding the Fourth Proportional to 1,167,284.36, 1,610,578.16 and 708,388.68
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Solution
The fourth proportional to 1,167,284.36, 1,610,578.16 and 708,388.68 is: 977,409.94
Step by Step Solution
- Step 1: Write the proportion equation
1,167,284.36 : 1,610,578.16 = 708,388.68 : x - Step 2: Convert to fraction form
1,167,284.36/1,610,578.16 = 708,388.68/x - Step 3: Cross multiply
1,167,284.36x = 1,610,578.16 × 708,388.68 - Step 4: Simplify right side
1,167,284.36x = 1,140,915,336,799.23 - Step 5: Solve for x
x = 1,140,915,336,799.23/1,167,284.36 - Step 6: Final answer
x = 977,409.94
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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.