Finding the Fourth Proportional to 1,284,716.32, 1,772,931.11 and 703,901.44
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Solution
The fourth proportional to 1,284,716.32, 1,772,931.11 and 703,901.44 is: 971,396.37
Step by Step Solution
- Step 1: Write the proportion equation
1,284,716.32 : 1,772,931.11 = 703,901.44 : x - Step 2: Convert to fraction form
1,284,716.32/1,772,931.11 = 703,901.44/x - Step 3: Cross multiply
1,284,716.32x = 1,772,931.11 × 703,901.44 - Step 4: Simplify right side
1,284,716.32x = 1,247,968,765,985.62 - Step 5: Solve for x
x = 1,247,968,765,985.62/1,284,716.32 - Step 6: Final answer
x = 971,396.37
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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.