Finding the Fourth Proportional to 1,363,158.85, 1,881,170.66 and 751,313.18
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Solution
The fourth proportional to 1,363,158.85, 1,881,170.66 and 751,313.18 is: 1,036,818.50
Step by Step Solution
- Step 1: Write the proportion equation
1,363,158.85 : 1,881,170.66 = 751,313.18 : x - Step 2: Convert to fraction form
1,363,158.85/1,881,170.66 = 751,313.18/x - Step 3: Cross multiply
1,363,158.85x = 1,881,170.66 × 751,313.18 - Step 4: Simplify right side
1,363,158.85x = 1,413,348,310,687.30 - Step 5: Solve for x
x = 1,413,348,310,687.30/1,363,158.85 - Step 6: Final answer
x = 1,036,818.50
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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.