Finding the Fourth Proportional to 1,095,780.21, 1,512,208.97 and 612,346.49
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Solution
The fourth proportional to 1,095,780.21, 1,512,208.97 and 612,346.49 is: 845,056.20
Step by Step Solution
- Step 1: Write the proportion equation
1,095,780.21 : 1,512,208.97 = 612,346.49 : x - Step 2: Convert to fraction form
1,095,780.21/1,512,208.97 = 612,346.49/x - Step 3: Cross multiply
1,095,780.21x = 1,512,208.97 × 612,346.49 - Step 4: Simplify right side
1,095,780.21x = 925,995,854,926.02 - Step 5: Solve for x
x = 925,995,854,926.02/1,095,780.21 - Step 6: Final answer
x = 845,056.20
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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.