Finding the Fourth Proportional to 1,126,021.84, 1,689,043.68 and 284,573.68
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Solution
The fourth proportional to 1,126,021.84, 1,689,043.68 and 284,573.68 is: 426,863.28
Step by Step Solution
- Step 1: Write the proportion equation
1,126,021.84 : 1,689,043.68 = 284,573.68 : x - Step 2: Convert to fraction form
1,126,021.84/1,689,043.68 = 284,573.68/x - Step 3: Cross multiply
1,126,021.84x = 1,689,043.68 × 284,573.68 - Step 4: Simplify right side
1,126,021.84x = 480,657,375,698.34 - Step 5: Solve for x
x = 480,657,375,698.34/1,126,021.84 - Step 6: Final answer
x = 426,863.28
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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.