Finding the Fourth Proportional to 1,284,496.52, 1,772,528.99 and 703,603.52
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Solution
The fourth proportional to 1,284,496.52, 1,772,528.99 and 703,603.52 is: 970,931.11
Step by Step Solution
- Step 1: Write the proportion equation
1,284,496.52 : 1,772,528.99 = 703,603.52 : x - Step 2: Convert to fraction form
1,284,496.52/1,772,528.99 = 703,603.52/x - Step 3: Cross multiply
1,284,496.52x = 1,772,528.99 × 703,603.52 - Step 4: Simplify right side
1,284,496.52x = 1,247,157,633,168.04 - Step 5: Solve for x
x = 1,247,157,633,168.04/1,284,496.52 - Step 6: Final answer
x = 970,931.11
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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.