Finding the Fourth Proportional to 1,239,992.65, 1,711,376.61 and 756,838.55
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Solution
The fourth proportional to 1,239,992.65, 1,711,376.61 and 756,838.55 is: 1,044,551.19
Step by Step Solution
- Step 1: Write the proportion equation
1,239,992.65 : 1,711,376.61 = 756,838.55 : x - Step 2: Convert to fraction form
1,239,992.65/1,711,376.61 = 756,838.55/x - Step 3: Cross multiply
1,239,992.65x = 1,711,376.61 × 756,838.55 - Step 4: Simplify right side
1,239,992.65x = 1,295,235,796,294.76 - Step 5: Solve for x
x = 1,295,235,796,294.76/1,239,992.65 - Step 6: Final answer
x = 1,044,551.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.