Finding the Fourth Proportional to 1,139,159.37, 1,571,299.24 and 730,614.09
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Solution
The fourth proportional to 1,139,159.37, 1,571,299.24 and 730,614.09 is: 1,007,772.39
Step by Step Solution
- Step 1: Write the proportion equation
1,139,159.37 : 1,571,299.24 = 730,614.09 : x - Step 2: Convert to fraction form
1,139,159.37/1,571,299.24 = 730,614.09/x - Step 3: Cross multiply
1,139,159.37x = 1,571,299.24 × 730,614.09 - Step 4: Simplify right side
1,139,159.37x = 1,148,013,364,350.29 - Step 5: Solve for x
x = 1,148,013,364,350.29/1,139,159.37 - Step 6: Final answer
x = 1,007,772.39
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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.