Finding the Fourth Proportional to 1,177,337.09, 1,762,922.39 and 771,251.78
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Solution
The fourth proportional to 1,177,337.09, 1,762,922.39 and 771,251.78 is: 1,154,857.89
Step by Step Solution
- Step 1: Write the proportion equation
1,177,337.09 : 1,762,922.39 = 771,251.78 : x - Step 2: Convert to fraction form
1,177,337.09/1,762,922.39 = 771,251.78/x - Step 3: Cross multiply
1,177,337.09x = 1,762,922.39 × 771,251.78 - Step 4: Simplify right side
1,177,337.09x = 1,359,657,018,618.48 - Step 5: Solve for x
x = 1,359,657,018,618.48/1,177,337.09 - Step 6: Final answer
x = 1,154,857.89
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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.