Finding the Fourth Proportional to 1,056,133.68, 1,457,541.72 and 603,414.96
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Solution
The fourth proportional to 1,056,133.68, 1,457,541.72 and 603,414.96 is: 832,756.78
Step by Step Solution
- Step 1: Write the proportion equation
1,056,133.68 : 1,457,541.72 = 603,414.96 : x - Step 2: Convert to fraction form
1,056,133.68/1,457,541.72 = 603,414.96/x - Step 3: Cross multiply
1,056,133.68x = 1,457,541.72 × 603,414.96 - Step 4: Simplify right side
1,056,133.68x = 879,502,478,672.13 - Step 5: Solve for x
x = 879,502,478,672.13/1,056,133.68 - Step 6: Final answer
x = 832,756.78
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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.