Finding the Fourth Proportional to 1,220,394.98, 1,829,321.58 and 410,177.90
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Solution
The fourth proportional to 1,220,394.98, 1,829,321.58 and 410,177.90 is: 614,839.70
Step by Step Solution
- Step 1: Write the proportion equation
1,220,394.98 : 1,829,321.58 = 410,177.90 : x - Step 2: Convert to fraction form
1,220,394.98/1,829,321.58 = 410,177.90/x - Step 3: Cross multiply
1,220,394.98x = 1,829,321.58 × 410,177.90 - Step 4: Simplify right side
1,220,394.98x = 750,347,284,109.08 - Step 5: Solve for x
x = 750,347,284,109.08/1,220,394.98 - Step 6: Final answer
x = 614,839.70
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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.