Finding the Fourth Proportional to 1,284,252.49, 1,772,060.18 and 768,219.61
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Solution
The fourth proportional to 1,284,252.49, 1,772,060.18 and 768,219.61 is: 1,060,018.49
Step by Step Solution
- Step 1: Write the proportion equation
1,284,252.49 : 1,772,060.18 = 768,219.61 : x - Step 2: Convert to fraction form
1,284,252.49/1,772,060.18 = 768,219.61/x - Step 3: Cross multiply
1,284,252.49x = 1,772,060.18 × 768,219.61 - Step 4: Simplify right side
1,284,252.49x = 1,361,331,380,376.13 - Step 5: Solve for x
x = 1,361,331,380,376.13/1,284,252.49 - Step 6: Final answer
x = 1,060,018.49
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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.