Finding the Fourth Proportional to 1,178,229.44, 1,625,898.72 and 668,864.96
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Solution
The fourth proportional to 1,178,229.44, 1,625,898.72 and 668,864.96 is: 923,000.77
Step by Step Solution
- Step 1: Write the proportion equation
1,178,229.44 : 1,625,898.72 = 668,864.96 : x - Step 2: Convert to fraction form
1,178,229.44/1,625,898.72 = 668,864.96/x - Step 3: Cross multiply
1,178,229.44x = 1,625,898.72 × 668,864.96 - Step 4: Simplify right side
1,178,229.44x = 1,087,506,682,316.85 - Step 5: Solve for x
x = 1,087,506,682,316.85/1,178,229.44 - Step 6: Final answer
x = 923,000.77
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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.