Finding the Fourth Proportional to 1,177,990.02, 1,626,446.79 and 791,394.03
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Solution
The fourth proportional to 1,177,990.02, 1,626,446.79 and 791,394.03 is: 1,092,675.03
Step by Step Solution
- Step 1: Write the proportion equation
1,177,990.02 : 1,626,446.79 = 791,394.03 : x - Step 2: Convert to fraction form
1,177,990.02/1,626,446.79 = 791,394.03/x - Step 3: Cross multiply
1,177,990.02x = 1,626,446.79 × 791,394.03 - Step 4: Simplify right side
1,177,990.02x = 1,287,160,279,718.66 - Step 5: Solve for x
x = 1,287,160,279,718.66/1,177,990.02 - Step 6: Final answer
x = 1,092,675.03
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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.