Finding the Fourth Proportional to 1,173,142.14, 1,618,657.02 and 714,251.46
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Solution
The fourth proportional to 1,173,142.14, 1,618,657.02 and 714,251.46 is: 985,497.07
Step by Step Solution
- Step 1: Write the proportion equation
1,173,142.14 : 1,618,657.02 = 714,251.46 : x - Step 2: Convert to fraction form
1,173,142.14/1,618,657.02 = 714,251.46/x - Step 3: Cross multiply
1,173,142.14x = 1,618,657.02 × 714,251.46 - Step 4: Simplify right side
1,173,142.14x = 1,156,128,139,774.25 - Step 5: Solve for x
x = 1,156,128,139,774.25/1,173,142.14 - Step 6: Final answer
x = 985,497.07
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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.