Finding the Fourth Proportional to 1,129,536, 1,558,770.62 and 620,249.31
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Solution
The fourth proportional to 1,129,536, 1,558,770.62 and 620,249.31 is: 855,950.05
Step by Step Solution
- Step 1: Write the proportion equation
1,129,536 : 1,558,770.62 = 620,249.31 : x - Step 2: Convert to fraction form
1,129,536/1,558,770.62 = 620,249.31/x - Step 3: Cross multiply
1,129,536x = 1,558,770.62 × 620,249.31 - Step 4: Simplify right side
1,129,536x = 966,826,398,402.03 - Step 5: Solve for x
x = 966,826,398,402.03/1,129,536 - Step 6: Final answer
x = 855,950.05
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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.