Finding the Fourth Proportional to 1,306,615.49, 1,959,160.30 and 506,963.09
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Solution
The fourth proportional to 1,306,615.49, 1,959,160.30 and 506,963.09 is: 760,148.62
Step by Step Solution
- Step 1: Write the proportion equation
1,306,615.49 : 1,959,160.30 = 506,963.09 : x - Step 2: Convert to fraction form
1,306,615.49/1,959,160.30 = 506,963.09/x - Step 3: Cross multiply
1,306,615.49x = 1,959,160.30 × 506,963.09 - Step 4: Simplify right side
1,306,615.49x = 993,221,959,493.33 - Step 5: Solve for x
x = 993,221,959,493.33/1,306,615.49 - Step 6: Final answer
x = 760,148.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.