Finding the Fourth Proportional to 1,285,688.22, 1,774,265.91 and 741,936.84
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Solution
The fourth proportional to 1,285,688.22, 1,774,265.91 and 741,936.84 is: 1,023,882.17
Step by Step Solution
- Step 1: Write the proportion equation
1,285,688.22 : 1,774,265.91 = 741,936.84 : x - Step 2: Convert to fraction form
1,285,688.22/1,774,265.91 = 741,936.84/x - Step 3: Cross multiply
1,285,688.22x = 1,774,265.91 × 741,936.84 - Step 4: Simplify right side
1,285,688.22x = 1,316,393,242,585.12 - Step 5: Solve for x
x = 1,316,393,242,585.12/1,285,688.22 - Step 6: Final answer
x = 1,023,882.17
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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.