Finding the Fourth Proportional to 1,207,923.01, 1,811,884.86 and 354,994.62
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Solution
The fourth proportional to 1,207,923.01, 1,811,884.86 and 354,994.62 is: 532,492.02
Step by Step Solution
- Step 1: Write the proportion equation
1,207,923.01 : 1,811,884.86 = 354,994.62 : x - Step 2: Convert to fraction form
1,207,923.01/1,811,884.86 = 354,994.62/x - Step 3: Cross multiply
1,207,923.01x = 1,811,884.86 × 354,994.62 - Step 4: Simplify right side
1,207,923.01x = 643,209,369,566.46 - Step 5: Solve for x
x = 643,209,369,566.46/1,207,923.01 - Step 6: Final answer
x = 532,492.02
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.