Finding the Fourth Proportional to 1,021,130.92, 1,409,546.30 and 802,769.96
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Solution
The fourth proportional to 1,021,130.92, 1,409,546.30 and 802,769.96 is: 1,108,125.71
Step by Step Solution
- Step 1: Write the proportion equation
1,021,130.92 : 1,409,546.30 = 802,769.96 : x - Step 2: Convert to fraction form
1,021,130.92/1,409,546.30 = 802,769.96/x - Step 3: Cross multiply
1,021,130.92x = 1,409,546.30 × 802,769.96 - Step 4: Simplify right side
1,021,130.92x = 1,131,541,426,869.15 - Step 5: Solve for x
x = 1,131,541,426,869.15/1,021,130.92 - Step 6: Final answer
x = 1,108,125.71
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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.