Finding the Fourth Proportional to 1,313,837.30, 1,813,425.75 and 741,209.63
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Solution
The fourth proportional to 1,313,837.30, 1,813,425.75 and 741,209.63 is: 1,023,055.61
Step by Step Solution
- Step 1: Write the proportion equation
1,313,837.30 : 1,813,425.75 = 741,209.63 : x - Step 2: Convert to fraction form
1,313,837.30/1,813,425.75 = 741,209.63/x - Step 3: Cross multiply
1,313,837.30x = 1,813,425.75 × 741,209.63 - Step 4: Simplify right side
1,313,837.30x = 1,344,128,620,122.84 - Step 5: Solve for x
x = 1,344,128,620,122.84/1,313,837.30 - Step 6: Final answer
x = 1,023,055.61
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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.