Finding the Fourth Proportional to 1,261,175.68, 1,740,459.48 and 688,252.84
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Solution
The fourth proportional to 1,261,175.68, 1,740,459.48 and 688,252.84 is: 949,809.13
Step by Step Solution
- Step 1: Write the proportion equation
1,261,175.68 : 1,740,459.48 = 688,252.84 : x - Step 2: Convert to fraction form
1,261,175.68/1,740,459.48 = 688,252.84/x - Step 3: Cross multiply
1,261,175.68x = 1,740,459.48 × 688,252.84 - Step 4: Simplify right side
1,261,175.68x = 1,197,876,180,014.92 - Step 5: Solve for x
x = 1,197,876,180,014.92/1,261,175.68 - Step 6: Final answer
x = 949,809.13
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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.