Finding the Fourth Proportional to 1,185,538.94, 1,778,313.09 and 286,979.24
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Solution
The fourth proportional to 1,185,538.94, 1,778,313.09 and 286,979.24 is: 430,469.99
Step by Step Solution
- Step 1: Write the proportion equation
1,185,538.94 : 1,778,313.09 = 286,979.24 : x - Step 2: Convert to fraction form
1,185,538.94/1,778,313.09 = 286,979.24/x - Step 3: Cross multiply
1,185,538.94x = 1,778,313.09 × 286,979.24 - Step 4: Simplify right side
1,185,538.94x = 510,338,935,751.19 - Step 5: Solve for x
x = 510,338,935,751.19/1,185,538.94 - Step 6: Final answer
x = 430,469.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.