Finding the Fourth Proportional to 1,271,575.46, 1,754,785.62 and 698,616.09
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Solution
The fourth proportional to 1,271,575.46, 1,754,785.62 and 698,616.09 is: 964,096.51
Step by Step Solution
- Step 1: Write the proportion equation
1,271,575.46 : 1,754,785.62 = 698,616.09 : x - Step 2: Convert to fraction form
1,271,575.46/1,754,785.62 = 698,616.09/x - Step 3: Cross multiply
1,271,575.46x = 1,754,785.62 × 698,616.09 - Step 4: Simplify right side
1,271,575.46x = 1,225,921,468,632.63 - Step 5: Solve for x
x = 1,225,921,468,632.63/1,271,575.46 - Step 6: Final answer
x = 964,096.51
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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.