Finding the Fourth Proportional to 1,373,564.28, 1,895,512.74 and 769,952.28
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Solution
The fourth proportional to 1,373,564.28, 1,895,512.74 and 769,952.28 is: 1,062,530.80
Step by Step Solution
- Step 1: Write the proportion equation
1,373,564.28 : 1,895,512.74 = 769,952.28 : x - Step 2: Convert to fraction form
1,373,564.28/1,895,512.74 = 769,952.28/x - Step 3: Cross multiply
1,373,564.28x = 1,895,512.74 × 769,952.28 - Step 4: Simplify right side
1,373,564.28x = 1,459,454,355,932.05 - Step 5: Solve for x
x = 1,459,454,355,932.05/1,373,564.28 - Step 6: Final answer
x = 1,062,530.80
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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.