Finding the Fourth Proportional to 1,188,598.84, 1,783,160.52 and 440,644.84
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Solution
The fourth proportional to 1,188,598.84, 1,783,160.52 and 440,644.84 is: 661,064.49
Step by Step Solution
- Step 1: Write the proportion equation
1,188,598.84 : 1,783,160.52 = 440,644.84 : x - Step 2: Convert to fraction form
1,188,598.84/1,783,160.52 = 440,644.84/x - Step 3: Cross multiply
1,188,598.84x = 1,783,160.52 × 440,644.84 - Step 4: Simplify right side
1,188,598.84x = 785,740,482,029.72 - Step 5: Solve for x
x = 785,740,482,029.72/1,188,598.84 - Step 6: Final answer
x = 661,064.49
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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.