Finding the Fourth Proportional to 1,149,043.14, 1,585,651.41 and 639,734.58
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Solution
The fourth proportional to 1,149,043.14, 1,585,651.41 and 639,734.58 is: 882,818.06
Step by Step Solution
- Step 1: Write the proportion equation
1,149,043.14 : 1,585,651.41 = 639,734.58 : x - Step 2: Convert to fraction form
1,149,043.14/1,585,651.41 = 639,734.58/x - Step 3: Cross multiply
1,149,043.14x = 1,585,651.41 × 639,734.58 - Step 4: Simplify right side
1,149,043.14x = 1,014,396,038,802.76 - Step 5: Solve for x
x = 1,014,396,038,802.76/1,149,043.14 - Step 6: Final answer
x = 882,818.06
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.