Finding the Fourth Proportional to 1,190,979.24, 1,643,624.84 and 681,669.96
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Solution
The fourth proportional to 1,190,979.24, 1,643,624.84 and 681,669.96 is: 940,746.61
Step by Step Solution
- Step 1: Write the proportion equation
1,190,979.24 : 1,643,624.84 = 681,669.96 : x - Step 2: Convert to fraction form
1,190,979.24/1,643,624.84 = 681,669.96/x - Step 3: Cross multiply
1,190,979.24x = 1,643,624.84 × 681,669.96 - Step 4: Simplify right side
1,190,979.24x = 1,120,409,678,937.81 - Step 5: Solve for x
x = 1,120,409,678,937.81/1,190,979.24 - Step 6: Final answer
x = 940,746.61
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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.