Finding the Fourth Proportional to 1,129,516.92, 1,694,275.99 and 709,088.04
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Solution
The fourth proportional to 1,129,516.92, 1,694,275.99 and 709,088.04 is: 1,063,632.44
Step by Step Solution
- Step 1: Write the proportion equation
1,129,516.92 : 1,694,275.99 = 709,088.04 : x - Step 2: Convert to fraction form
1,129,516.92/1,694,275.99 = 709,088.04/x - Step 3: Cross multiply
1,129,516.92x = 1,694,275.99 × 709,088.04 - Step 4: Simplify right side
1,129,516.92x = 1,201,390,839,195.44 - Step 5: Solve for x
x = 1,201,390,839,195.44/1,129,516.92 - Step 6: Final answer
x = 1,063,632.44
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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.