Finding the Fourth Proportional to 1,343,091.68, 1,853,478.96 and 739,501.28
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Solution
The fourth proportional to 1,343,091.68, 1,853,478.96 and 739,501.28 is: 1,020,518.62
Step by Step Solution
- Step 1: Write the proportion equation
1,343,091.68 : 1,853,478.96 = 739,501.28 : x - Step 2: Convert to fraction form
1,343,091.68/1,853,478.96 = 739,501.28/x - Step 3: Cross multiply
1,343,091.68x = 1,853,478.96 × 739,501.28 - Step 4: Simplify right side
1,343,091.68x = 1,370,650,063,373.07 - Step 5: Solve for x
x = 1,370,650,063,373.07/1,343,091.68 - Step 6: Final answer
x = 1,020,518.62
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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.