Finding the Fourth Proportional to 1,026,714.60, 1,540,177.56 and 387,556.74
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Solution
The fourth proportional to 1,026,714.60, 1,540,177.56 and 387,556.74 is: 581,374.99
Step by Step Solution
- Step 1: Write the proportion equation
1,026,714.60 : 1,540,177.56 = 387,556.74 : x - Step 2: Convert to fraction form
1,026,714.60/1,540,177.56 = 387,556.74/x - Step 3: Cross multiply
1,026,714.60x = 1,540,177.56 × 387,556.74 - Step 4: Simplify right side
1,026,714.60x = 596,906,194,174.75 - Step 5: Solve for x
x = 596,906,194,174.75/1,026,714.60 - Step 6: Final answer
x = 581,374.99
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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.