Finding the Fourth Proportional to 1,001,438.05, 1,500,350.98 and 616,516.99
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Solution
The fourth proportional to 1,001,438.05, 1,500,350.98 and 616,516.99 is: 923,663.60
Step by Step Solution
- Step 1: Write the proportion equation
1,001,438.05 : 1,500,350.98 = 616,516.99 : x - Step 2: Convert to fraction form
1,001,438.05/1,500,350.98 = 616,516.99/x - Step 3: Cross multiply
1,001,438.05x = 1,500,350.98 × 616,516.99 - Step 4: Simplify right side
1,001,438.05x = 924,991,869,378.54 - Step 5: Solve for x
x = 924,991,869,378.54/1,001,438.05 - Step 6: Final answer
x = 923,663.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.