Finding the Fourth Proportional to 1,043,235.68, 1,439,671.20 and 613,533.92
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Solution
The fourth proportional to 1,043,235.68, 1,439,671.20 and 613,533.92 is: 846,680.32
Step by Step Solution
- Step 1: Write the proportion equation
1,043,235.68 : 1,439,671.20 = 613,533.92 : x - Step 2: Convert to fraction form
1,043,235.68/1,439,671.20 = 613,533.92/x - Step 3: Cross multiply
1,043,235.68x = 1,439,671.20 × 613,533.92 - Step 4: Simplify right side
1,043,235.68x = 883,287,114,847.10 - Step 5: Solve for x
x = 883,287,114,847.10/1,043,235.68 - Step 6: Final answer
x = 846,680.32
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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.