Finding the Fourth Proportional to 1,100,804.20, 1,651,206.30 and 1,058,813.80
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Solution
The fourth proportional to 1,100,804.20, 1,651,206.30 and 1,058,813.80 is: 1,588,220.70
Step by Step Solution
- Step 1: Write the proportion equation
1,100,804.20 : 1,651,206.30 = 1,058,813.80 : x - Step 2: Convert to fraction form
1,100,804.20/1,651,206.30 = 1,058,813.80/x - Step 3: Cross multiply
1,100,804.20x = 1,651,206.30 × 1,058,813.80 - Step 4: Simplify right side
1,100,804.20x = 1,748,320,017,086.94 - Step 5: Solve for x
x = 1,748,320,017,086.94/1,100,804.20 - Step 6: Final answer
x = 1,588,220.70
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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.