Finding the Fourth Proportional to 1,178,819.48, 1,768,241.64 and 943,657.04
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Solution
The fourth proportional to 1,178,819.48, 1,768,241.64 and 943,657.04 is: 1,415,495.50
Step by Step Solution
- Step 1: Write the proportion equation
1,178,819.48 : 1,768,241.64 = 943,657.04 : x - Step 2: Convert to fraction form
1,178,819.48/1,768,241.64 = 943,657.04/x - Step 3: Cross multiply
1,178,819.48x = 1,768,241.64 × 943,657.04 - Step 4: Simplify right side
1,178,819.48x = 1,668,613,672,007.15 - Step 5: Solve for x
x = 1,668,613,672,007.15/1,178,819.48 - Step 6: Final answer
x = 1,415,495.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.