Finding the Fourth Proportional to 1,129,833.24, 1,558,519.02 and 676,861.80
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Solution
The fourth proportional to 1,129,833.24, 1,558,519.02 and 676,861.80 is: 933,679.37
Step by Step Solution
- Step 1: Write the proportion equation
1,129,833.24 : 1,558,519.02 = 676,861.80 : x - Step 2: Convert to fraction form
1,129,833.24/1,558,519.02 = 676,861.80/x - Step 3: Cross multiply
1,129,833.24x = 1,558,519.02 × 676,861.80 - Step 4: Simplify right side
1,129,833.24x = 1,054,901,989,211.44 - Step 5: Solve for x
x = 1,054,901,989,211.44/1,129,833.24 - Step 6: Final answer
x = 933,679.37
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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.