Finding the Fourth Proportional to 1,240,137.97, 1,860,225.64 and 430,548.09
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Solution
The fourth proportional to 1,240,137.97, 1,860,225.64 and 430,548.09 is: 645,828.62
Step by Step Solution
- Step 1: Write the proportion equation
1,240,137.97 : 1,860,225.64 = 430,548.09 : x - Step 2: Convert to fraction form
1,240,137.97/1,860,225.64 = 430,548.09/x - Step 3: Cross multiply
1,240,137.97x = 1,860,225.64 × 430,548.09 - Step 4: Simplify right side
1,240,137.97x = 800,916,588,218.81 - Step 5: Solve for x
x = 800,916,588,218.81/1,240,137.97 - Step 6: Final answer
x = 645,828.62
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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.