Finding the Fourth Proportional to 1,065,876.70, 1,470,913.76 and 582,441.92
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Solution
The fourth proportional to 1,065,876.70, 1,470,913.76 and 582,441.92 is: 803,771.99
Step by Step Solution
- Step 1: Write the proportion equation
1,065,876.70 : 1,470,913.76 = 582,441.92 : x - Step 2: Convert to fraction form
1,065,876.70/1,470,913.76 = 582,441.92/x - Step 3: Cross multiply
1,065,876.70x = 1,470,913.76 × 582,441.92 - Step 4: Simplify right side
1,065,876.70x = 856,721,827,174.25 - Step 5: Solve for x
x = 856,721,827,174.25/1,065,876.70 - Step 6: Final answer
x = 803,771.99
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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.