Finding the Fourth Proportional to 1,101,977.58, 1,652,324.10 and 427,270.68
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Solution
The fourth proportional to 1,101,977.58, 1,652,324.10 and 427,270.68 is: 640,656.99
Step by Step Solution
- Step 1: Write the proportion equation
1,101,977.58 : 1,652,324.10 = 427,270.68 : x - Step 2: Convert to fraction form
1,101,977.58/1,652,324.10 = 427,270.68/x - Step 3: Cross multiply
1,101,977.58x = 1,652,324.10 × 427,270.68 - Step 4: Simplify right side
1,101,977.58x = 705,989,641,787.39 - Step 5: Solve for x
x = 705,989,641,787.39/1,101,977.58 - Step 6: Final answer
x = 640,656.99
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1.5x scale
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.