Finding the Fourth Proportional to 1,234,326.62, 1,703,290.73 and 690,368.28
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Solution
The fourth proportional to 1,234,326.62, 1,703,290.73 and 690,368.28 is: 952,663.48
Step by Step Solution
- Step 1: Write the proportion equation
1,234,326.62 : 1,703,290.73 = 690,368.28 : x - Step 2: Convert to fraction form
1,234,326.62/1,703,290.73 = 690,368.28/x - Step 3: Cross multiply
1,234,326.62x = 1,703,290.73 × 690,368.28 - Step 4: Simplify right side
1,234,326.62x = 1,175,897,888,158.20 - Step 5: Solve for x
x = 1,175,897,888,158.20/1,234,326.62 - Step 6: Final answer
x = 952,663.48
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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.