Finding the Fourth Proportional to 1,316,863.91, 1,817,419.68 and 743,940.99
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Solution
The fourth proportional to 1,316,863.91, 1,817,419.68 and 743,940.99 is: 1,026,721.88
Step by Step Solution
- Step 1: Write the proportion equation
1,316,863.91 : 1,817,419.68 = 743,940.99 : x - Step 2: Convert to fraction form
1,316,863.91/1,817,419.68 = 743,940.99/x - Step 3: Cross multiply
1,316,863.91x = 1,817,419.68 × 743,940.99 - Step 4: Simplify right side
1,316,863.91x = 1,352,052,995,984.68 - Step 5: Solve for x
x = 1,352,052,995,984.68/1,316,863.91 - Step 6: Final answer
x = 1,026,721.88
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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.