Finding the Fourth Proportional to 1,258,066.28, 1,885,524.78 and 990,771.14
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Solution
The fourth proportional to 1,258,066.28, 1,885,524.78 and 990,771.14 is: 1,484,916.63
Step by Step Solution
- Step 1: Write the proportion equation
1,258,066.28 : 1,885,524.78 = 990,771.14 : x - Step 2: Convert to fraction form
1,258,066.28/1,885,524.78 = 990,771.14/x - Step 3: Cross multiply
1,258,066.28x = 1,885,524.78 × 990,771.14 - Step 4: Simplify right side
1,258,066.28x = 1,868,123,544,208.05 - Step 5: Solve for x
x = 1,868,123,544,208.05/1,258,066.28 - Step 6: Final answer
x = 1,484,916.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.