Finding the Fourth Proportional to 1,100,821.70, 1,651,232.55 and 1,058,831.30
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Solution
The fourth proportional to 1,100,821.70, 1,651,232.55 and 1,058,831.30 is: 1,588,246.95
Step by Step Solution
- Step 1: Write the proportion equation
1,100,821.70 : 1,651,232.55 = 1,058,831.30 : x - Step 2: Convert to fraction form
1,100,821.70/1,651,232.55 = 1,058,831.30/x - Step 3: Cross multiply
1,100,821.70x = 1,651,232.55 × 1,058,831.30 - Step 4: Simplify right side
1,100,821.70x = 1,748,376,707,518.82 - Step 5: Solve for x
x = 1,748,376,707,518.82/1,100,821.70 - Step 6: Final answer
x = 1,588,246.95
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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.