Finding the Fourth Proportional to 1,243,348.62, 1,865,022.93 and 822,526.08
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Solution
The fourth proportional to 1,243,348.62, 1,865,022.93 and 822,526.08 is: 1,233,789.12
Step by Step Solution
- Step 1: Write the proportion equation
1,243,348.62 : 1,865,022.93 = 822,526.08 : x - Step 2: Convert to fraction form
1,243,348.62/1,865,022.93 = 822,526.08/x - Step 3: Cross multiply
1,243,348.62x = 1,865,022.93 × 822,526.08 - Step 4: Simplify right side
1,243,348.62x = 1,534,029,999,723.01 - Step 5: Solve for x
x = 1,534,029,999,723.01/1,243,348.62 - Step 6: Final answer
x = 1,233,789.12
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.