Finding the Fourth Proportional to 1,007,026.44, 1,389,733.16 and 548,118.84
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Solution
The fourth proportional to 1,007,026.44, 1,389,733.16 and 548,118.84 is: 756,423.96
Step by Step Solution
- Step 1: Write the proportion equation
1,007,026.44 : 1,389,733.16 = 548,118.84 : x - Step 2: Convert to fraction form
1,007,026.44/1,389,733.16 = 548,118.84/x - Step 3: Cross multiply
1,007,026.44x = 1,389,733.16 × 548,118.84 - Step 4: Simplify right side
1,007,026.44x = 761,738,927,568.73 - Step 5: Solve for x
x = 761,738,927,568.73/1,007,026.44 - Step 6: Final answer
x = 756,423.96
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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.