Finding the Fourth Proportional to 1,125,906.24, 1,688,858.88 and 284,457.76
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Solution
The fourth proportional to 1,125,906.24, 1,688,858.88 and 284,457.76 is: 426,686.52
Step by Step Solution
- Step 1: Write the proportion equation
1,125,906.24 : 1,688,858.88 = 284,457.76 : x - Step 2: Convert to fraction form
1,125,906.24/1,688,858.88 = 284,457.76/x - Step 3: Cross multiply
1,125,906.24x = 1,688,858.88 × 284,457.76 - Step 4: Simplify right side
1,125,906.24x = 480,409,013,960.91 - Step 5: Solve for x
x = 480,409,013,960.91/1,125,906.24 - Step 6: Final answer
x = 426,686.52
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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.