Finding the Fourth Proportional to 1,233,911.34, 1,702,990.17 and 750,628.08
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Solution
The fourth proportional to 1,233,911.34, 1,702,990.17 and 750,628.08 is: 1,035,983.87
Step by Step Solution
- Step 1: Write the proportion equation
1,233,911.34 : 1,702,990.17 = 750,628.08 : x - Step 2: Convert to fraction form
1,233,911.34/1,702,990.17 = 750,628.08/x - Step 3: Cross multiply
1,233,911.34x = 1,702,990.17 × 750,628.08 - Step 4: Simplify right side
1,233,911.34x = 1,278,312,241,565.97 - Step 5: Solve for x
x = 1,278,312,241,565.97/1,233,911.34 - Step 6: Final answer
x = 1,035,983.87
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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.