Finding the Fourth Proportional to 1,220,321.15, 1,830,500.18 and 461,958.99
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Solution
The fourth proportional to 1,220,321.15, 1,830,500.18 and 461,958.99 is: 692,945.47
Step by Step Solution
- Step 1: Write the proportion equation
1,220,321.15 : 1,830,500.18 = 461,958.99 : x - Step 2: Convert to fraction form
1,220,321.15/1,830,500.18 = 461,958.99/x - Step 3: Cross multiply
1,220,321.15x = 1,830,500.18 × 461,958.99 - Step 4: Simplify right side
1,220,321.15x = 845,616,012,037.82 - Step 5: Solve for x
x = 845,616,012,037.82/1,220,321.15 - Step 6: Final answer
x = 692,945.47
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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.