Finding the Fourth Proportional to 1,193,767.44, 1,648,007.64 and 921,222.96
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Solution
The fourth proportional to 1,193,767.44, 1,648,007.64 and 921,222.96 is: 1,271,757.32
Step by Step Solution
- Step 1: Write the proportion equation
1,193,767.44 : 1,648,007.64 = 921,222.96 : x - Step 2: Convert to fraction form
1,193,767.44/1,648,007.64 = 921,222.96/x - Step 3: Cross multiply
1,193,767.44x = 1,648,007.64 × 921,222.96 - Step 4: Simplify right side
1,193,767.44x = 1,518,182,476,223.41 - Step 5: Solve for x
x = 1,518,182,476,223.41/1,193,767.44 - Step 6: Final answer
x = 1,271,757.32
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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.