Finding the Fourth Proportional to 1,247,460.76, 1,871,393.10 and 488,890.99
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Solution
The fourth proportional to 1,247,460.76, 1,871,393.10 and 488,890.99 is: 733,415.63
Step by Step Solution
- Step 1: Write the proportion equation
1,247,460.76 : 1,871,393.10 = 488,890.99 : x - Step 2: Convert to fraction form
1,247,460.76/1,871,393.10 = 488,890.99/x - Step 3: Cross multiply
1,247,460.76x = 1,871,393.10 × 488,890.99 - Step 4: Simplify right side
1,247,460.76x = 914,907,225,338.17 - Step 5: Solve for x
x = 914,907,225,338.17/1,247,460.76 - Step 6: Final answer
x = 733,415.63
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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.