Finding the Fourth Proportional to 1,215,248.22, 1,676,991.48 and 698,963.13
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Solution
The fourth proportional to 1,215,248.22, 1,676,991.48 and 698,963.13 is: 964,539.75
Step by Step Solution
- Step 1: Write the proportion equation
1,215,248.22 : 1,676,991.48 = 698,963.13 : x - Step 2: Convert to fraction form
1,215,248.22/1,676,991.48 = 698,963.13/x - Step 3: Cross multiply
1,215,248.22x = 1,676,991.48 × 698,963.13 - Step 4: Simplify right side
1,215,248.22x = 1,172,155,213,844.13 - Step 5: Solve for x
x = 1,172,155,213,844.13/1,215,248.22 - Step 6: Final answer
x = 964,539.75
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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.