Finding the Fourth Proportional to 1,351,298, 1,864,338.36 and 778,324.88
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Solution
The fourth proportional to 1,351,298, 1,864,338.36 and 778,324.88 is: 1,073,827.48
Step by Step Solution
- Step 1: Write the proportion equation
1,351,298 : 1,864,338.36 = 778,324.88 : x - Step 2: Convert to fraction form
1,351,298/1,864,338.36 = 778,324.88/x - Step 3: Cross multiply
1,351,298x = 1,864,338.36 × 778,324.88 - Step 4: Simplify right side
1,351,298x = 1,451,060,930,326.40 - Step 5: Solve for x
x = 1,451,060,930,326.40/1,351,298 - Step 6: Final answer
x = 1,073,827.48
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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.