Finding the Fourth Proportional to 1,105,730.09, 1,526,378.35 and 743,364.13
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Solution
The fourth proportional to 1,105,730.09, 1,526,378.35 and 743,364.13 is: 1,026,159.02
Step by Step Solution
- Step 1: Write the proportion equation
1,105,730.09 : 1,526,378.35 = 743,364.13 : x - Step 2: Convert to fraction form
1,105,730.09/1,526,378.35 = 743,364.13/x - Step 3: Cross multiply
1,105,730.09x = 1,526,378.35 × 743,364.13 - Step 4: Simplify right side
1,105,730.09x = 1,134,654,906,566.69 - Step 5: Solve for x
x = 1,134,654,906,566.69/1,105,730.09 - Step 6: Final answer
x = 1,026,159.02
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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.