Finding the Fourth Proportional to 1,232,556.10, 1,845,205.35 and 918,405.70
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Solution
The fourth proportional to 1,232,556.10, 1,845,205.35 and 918,405.70 is: 1,374,904.65
Step by Step Solution
- Step 1: Write the proportion equation
1,232,556.10 : 1,845,205.35 = 918,405.70 : x - Step 2: Convert to fraction form
1,232,556.10/1,845,205.35 = 918,405.70/x - Step 3: Cross multiply
1,232,556.10x = 1,845,205.35 × 918,405.70 - Step 4: Simplify right side
1,232,556.10x = 1,694,647,111,110.50 - Step 5: Solve for x
x = 1,694,647,111,110.50/1,232,556.10 - Step 6: Final answer
x = 1,374,904.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.