Finding the Fourth Proportional to 1,198,450.08, 1,654,525.44 and 817,037.28
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Solution
The fourth proportional to 1,198,450.08, 1,654,525.44 and 817,037.28 is: 1,127,964.35
Step by Step Solution
- Step 1: Write the proportion equation
1,198,450.08 : 1,654,525.44 = 817,037.28 : x - Step 2: Convert to fraction form
1,198,450.08/1,654,525.44 = 817,037.28/x - Step 3: Cross multiply
1,198,450.08x = 1,654,525.44 × 817,037.28 - Step 4: Simplify right side
1,198,450.08x = 1,351,808,965,188.40 - Step 5: Solve for x
x = 1,351,808,965,188.40/1,198,450.08 - Step 6: Final answer
x = 1,127,964.35
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.