Finding the Fourth Proportional to 1,248,974.91, 1,723,685.52 and 992,964.63
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Solution
The fourth proportional to 1,248,974.91, 1,723,685.52 and 992,964.63 is: 1,370,370.80
Step by Step Solution
- Step 1: Write the proportion equation
1,248,974.91 : 1,723,685.52 = 992,964.63 : x - Step 2: Convert to fraction form
1,248,974.91/1,723,685.52 = 992,964.63/x - Step 3: Cross multiply
1,248,974.91x = 1,723,685.52 × 992,964.63 - Step 4: Simplify right side
1,248,974.91x = 1,711,558,744,292.79 - Step 5: Solve for x
x = 1,711,558,744,292.79/1,248,974.91 - Step 6: Final answer
x = 1,370,370.80
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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.