Finding the Fourth Proportional to 1,219,497.88, 1,829,247.54 and 509,138.68
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Solution
The fourth proportional to 1,219,497.88, 1,829,247.54 and 509,138.68 is: 763,708.32
Step by Step Solution
- Step 1: Write the proportion equation
1,219,497.88 : 1,829,247.54 = 509,138.68 : x - Step 2: Convert to fraction form
1,219,497.88/1,829,247.54 = 509,138.68/x - Step 3: Cross multiply
1,219,497.88x = 1,829,247.54 × 509,138.68 - Step 4: Simplify right side
1,219,497.88x = 931,340,677,908.85 - Step 5: Solve for x
x = 931,340,677,908.85/1,219,497.88 - Step 6: Final answer
x = 763,708.32
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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.