Finding the Fourth Proportional to 1,135,142.07, 1,702,663.86 and 282,195.87
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Solution
The fourth proportional to 1,135,142.07, 1,702,663.86 and 282,195.87 is: 423,281.56
Step by Step Solution
- Step 1: Write the proportion equation
1,135,142.07 : 1,702,663.86 = 282,195.87 : x - Step 2: Convert to fraction form
1,135,142.07/1,702,663.86 = 282,195.87/x - Step 3: Cross multiply
1,135,142.07x = 1,702,663.86 × 282,195.87 - Step 4: Simplify right side
1,135,142.07x = 480,484,709,290.26 - Step 5: Solve for x
x = 480,484,709,290.26/1,135,142.07 - Step 6: Final answer
x = 423,281.56
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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.