Finding the Fourth Proportional to 1,178,173.68, 1,769,920.86 and 698,715.96
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Solution
The fourth proportional to 1,178,173.68, 1,769,920.86 and 698,715.96 is: 1,049,651.65
Step by Step Solution
- Step 1: Write the proportion equation
1,178,173.68 : 1,769,920.86 = 698,715.96 : x - Step 2: Convert to fraction form
1,178,173.68/1,769,920.86 = 698,715.96/x - Step 3: Cross multiply
1,178,173.68x = 1,769,920.86 × 698,715.96 - Step 4: Simplify right side
1,178,173.68x = 1,236,671,952,818.93 - Step 5: Solve for x
x = 1,236,671,952,818.93/1,178,173.68 - Step 6: Final answer
x = 1,049,651.65
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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.