Finding the Fourth Proportional to 1,135,437.48, 1,701,228.15 and 685,212.21
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Solution
The fourth proportional to 1,135,437.48, 1,701,228.15 and 685,212.21 is: 1,026,654.77
Step by Step Solution
- Step 1: Write the proportion equation
1,135,437.48 : 1,701,228.15 = 685,212.21 : x - Step 2: Convert to fraction form
1,135,437.48/1,701,228.15 = 685,212.21/x - Step 3: Cross multiply
1,135,437.48x = 1,701,228.15 × 685,212.21 - Step 4: Simplify right side
1,135,437.48x = 1,165,702,300,375.71 - Step 5: Solve for x
x = 1,165,702,300,375.71/1,135,437.48 - Step 6: Final answer
x = 1,026,654.77
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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.