Finding the Fourth Proportional to 1,252,315.54, 1,728,199.82 and 679,359.79
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Solution
The fourth proportional to 1,252,315.54, 1,728,199.82 and 679,359.79 is: 937,518.88
Step by Step Solution
- Step 1: Write the proportion equation
1,252,315.54 : 1,728,199.82 = 679,359.79 : x - Step 2: Convert to fraction form
1,252,315.54/1,728,199.82 = 679,359.79/x - Step 3: Cross multiply
1,252,315.54x = 1,728,199.82 × 679,359.79 - Step 4: Simplify right side
1,252,315.54x = 1,174,069,454,755.44 - Step 5: Solve for x
x = 1,174,069,454,755.44/1,252,315.54 - Step 6: Final answer
x = 937,518.88
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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.