Finding the Fourth Proportional to 1,248,720.42, 1,723,239.42 and 675,760.62
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Solution
The fourth proportional to 1,248,720.42, 1,723,239.42 and 675,760.62 is: 932,552.49
Step by Step Solution
- Step 1: Write the proportion equation
1,248,720.42 : 1,723,239.42 = 675,760.62 : x - Step 2: Convert to fraction form
1,248,720.42/1,723,239.42 = 675,760.62/x - Step 3: Cross multiply
1,248,720.42x = 1,723,239.42 × 675,760.62 - Step 4: Simplify right side
1,248,720.42x = 1,164,497,338,867.64 - Step 5: Solve for x
x = 1,164,497,338,867.64/1,248,720.42 - Step 6: Final answer
x = 932,552.49
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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.