Finding the Fourth Proportional to 1,031,155.88, 1,546,619.18 and 321,124.46
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Solution
The fourth proportional to 1,031,155.88, 1,546,619.18 and 321,124.46 is: 481,650.99
Step by Step Solution
- Step 1: Write the proportion equation
1,031,155.88 : 1,546,619.18 = 321,124.46 : x - Step 2: Convert to fraction form
1,031,155.88/1,546,619.18 = 321,124.46/x - Step 3: Cross multiply
1,031,155.88x = 1,546,619.18 × 321,124.46 - Step 4: Simplify right side
1,031,155.88x = 496,657,249,003.14 - Step 5: Solve for x
x = 496,657,249,003.14/1,031,155.88 - Step 6: Final answer
x = 481,650.99
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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.