Finding the Fourth Proportional to 1,005,782.44, 1,387,982.64 and 546,897.19
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Solution
The fourth proportional to 1,005,782.44, 1,387,982.64 and 546,897.19 is: 754,719.68
Step by Step Solution
- Step 1: Write the proportion equation
1,005,782.44 : 1,387,982.64 = 546,897.19 : x - Step 2: Convert to fraction form
1,005,782.44/1,387,982.64 = 546,897.19/x - Step 3: Cross multiply
1,005,782.44x = 1,387,982.64 × 546,897.19 - Step 4: Simplify right side
1,005,782.44x = 759,083,805,584.78 - Step 5: Solve for x
x = 759,083,805,584.78/1,005,782.44 - Step 6: Final answer
x = 754,719.68
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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.