Finding the Fourth Proportional to 1,384,605.20, 2,075,352.60 and 585,750.80
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Solution
The fourth proportional to 1,384,605.20, 2,075,352.60 and 585,750.80 is: 877,968.28
Step by Step Solution
- Step 1: Write the proportion equation
1,384,605.20 : 2,075,352.60 = 585,750.80 : x - Step 2: Convert to fraction form
1,384,605.20/2,075,352.60 = 585,750.80/x - Step 3: Cross multiply
1,384,605.20x = 2,075,352.60 × 585,750.80 - Step 4: Simplify right side
1,384,605.20x = 1,215,639,445,732.08 - Step 5: Solve for x
x = 1,215,639,445,732.08/1,384,605.20 - Step 6: Final answer
x = 877,968.28
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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.