Finding the Fourth Proportional to 1,237,849.29, 1,708,470.73 and 807,382.08
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Solution
The fourth proportional to 1,237,849.29, 1,708,470.73 and 807,382.08 is: 1,114,342.97
Step by Step Solution
- Step 1: Write the proportion equation
1,237,849.29 : 1,708,470.73 = 807,382.08 : x - Step 2: Convert to fraction form
1,237,849.29/1,708,470.73 = 807,382.08/x - Step 3: Cross multiply
1,237,849.29x = 1,708,470.73 × 807,382.08 - Step 4: Simplify right side
1,237,849.29x = 1,379,388,652,615.75 - Step 5: Solve for x
x = 1,379,388,652,615.75/1,237,849.29 - Step 6: Final answer
x = 1,114,342.97
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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.