Finding the Fourth Proportional to 1,279,752.13, 1,766,043.16 and 698,972.41
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Solution
The fourth proportional to 1,279,752.13, 1,766,043.16 and 698,972.41 is: 964,573.85
Step by Step Solution
- Step 1: Write the proportion equation
1,279,752.13 : 1,766,043.16 = 698,972.41 : x - Step 2: Convert to fraction form
1,279,752.13/1,766,043.16 = 698,972.41/x - Step 3: Cross multiply
1,279,752.13x = 1,766,043.16 × 698,972.41 - Step 4: Simplify right side
1,279,752.13x = 1,234,415,443,709.22 - Step 5: Solve for x
x = 1,234,415,443,709.22/1,279,752.13 - Step 6: Final answer
x = 964,573.85
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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.