Finding the Fourth Proportional to 1,079,027.70, 1,618,412.39 and 839,381.03
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Solution
The fourth proportional to 1,079,027.70, 1,618,412.39 and 839,381.03 is: 1,258,971.06
Step by Step Solution
- Step 1: Write the proportion equation
1,079,027.70 : 1,618,412.39 = 839,381.03 : x - Step 2: Convert to fraction form
1,079,027.70/1,618,412.39 = 839,381.03/x - Step 3: Cross multiply
1,079,027.70x = 1,618,412.39 × 839,381.03 - Step 4: Simplify right side
1,079,027.70x = 1,358,464,646,593.99 - Step 5: Solve for x
x = 1,358,464,646,593.99/1,079,027.70 - Step 6: Final answer
x = 1,258,971.06
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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.