Finding the Fourth Proportional to 1,026,872.08, 1,541,064.92 and 487,130.05
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Solution
The fourth proportional to 1,026,872.08, 1,541,064.92 and 487,130.05 is: 731,054.09
Step by Step Solution
- Step 1: Write the proportion equation
1,026,872.08 : 1,541,064.92 = 487,130.05 : x - Step 2: Convert to fraction form
1,026,872.08/1,541,064.92 = 487,130.05/x - Step 3: Cross multiply
1,026,872.08x = 1,541,064.92 × 487,130.05 - Step 4: Simplify right side
1,026,872.08x = 750,699,031,532.85 - Step 5: Solve for x
x = 750,699,031,532.85/1,026,872.08 - Step 6: Final answer
x = 731,054.09
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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.