Finding the Fourth Proportional to 1,215,240.17, 1,676,980.36 and 698,955.08
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Solution
The fourth proportional to 1,215,240.17, 1,676,980.36 and 698,955.08 is: 964,528.63
Step by Step Solution
- Step 1: Write the proportion equation
1,215,240.17 : 1,676,980.36 = 698,955.08 : x - Step 2: Convert to fraction form
1,215,240.17/1,676,980.36 = 698,955.08/x - Step 3: Cross multiply
1,215,240.17x = 1,676,980.36 × 698,955.08 - Step 4: Simplify right side
1,215,240.17x = 1,172,133,934,171.02 - Step 5: Solve for x
x = 1,172,133,934,171.02/1,215,240.17 - Step 6: Final answer
x = 964,528.63
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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.