Finding the Fourth Proportional to 1,137,680.79, 1,707,019.07 and 539,069.19
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Solution
The fourth proportional to 1,137,680.79, 1,707,019.07 and 539,069.19 is: 808,839.70
Step by Step Solution
- Step 1: Write the proportion equation
1,137,680.79 : 1,707,019.07 = 539,069.19 : x - Step 2: Convert to fraction form
1,137,680.79/1,707,019.07 = 539,069.19/x - Step 3: Cross multiply
1,137,680.79x = 1,707,019.07 × 539,069.19 - Step 4: Simplify right side
1,137,680.79x = 920,201,384,684.11 - Step 5: Solve for x
x = 920,201,384,684.11/1,137,680.79 - Step 6: Final answer
x = 808,839.70
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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.