Finding the Fourth Proportional to 1,220,626.03, 1,684,899.84 and 833,164.11
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Solution
The fourth proportional to 1,220,626.03, 1,684,899.84 and 833,164.11 is: 1,150,064.03
Step by Step Solution
- Step 1: Write the proportion equation
1,220,626.03 : 1,684,899.84 = 833,164.11 : x - Step 2: Convert to fraction form
1,220,626.03/1,684,899.84 = 833,164.11/x - Step 3: Cross multiply
1,220,626.03x = 1,684,899.84 × 833,164.11 - Step 4: Simplify right side
1,220,626.03x = 1,403,798,085,075.48 - Step 5: Solve for x
x = 1,403,798,085,075.48/1,220,626.03 - Step 6: Final answer
x = 1,150,064.03
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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.