Finding the Fourth Proportional to 1,220,628.08, 1,684,902.69 and 833,166.18
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Solution
The fourth proportional to 1,220,628.08, 1,684,902.69 and 833,166.18 is: 1,150,066.89
Step by Step Solution
- Step 1: Write the proportion equation
1,220,628.08 : 1,684,902.69 = 833,166.18 : x - Step 2: Convert to fraction form
1,220,628.08/1,684,902.69 = 833,166.18/x - Step 3: Cross multiply
1,220,628.08x = 1,684,902.69 × 833,166.18 - Step 4: Simplify right side
1,220,628.08x = 1,403,803,937,899.02 - Step 5: Solve for x
x = 1,403,803,937,899.02/1,220,628.08 - Step 6: Final answer
x = 1,150,066.89
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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.