Finding the Fourth Proportional to 1,363,285.70, 1,881,113.01 and 790,213.94
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Solution
The fourth proportional to 1,363,285.70, 1,881,113.01 and 790,213.94 is: 1,090,366.99
Step by Step Solution
- Step 1: Write the proportion equation
1,363,285.70 : 1,881,113.01 = 790,213.94 : x - Step 2: Convert to fraction form
1,363,285.70/1,881,113.01 = 790,213.94/x - Step 3: Cross multiply
1,363,285.70x = 1,881,113.01 × 790,213.94 - Step 4: Simplify right side
1,363,285.70x = 1,486,481,723,217.36 - Step 5: Solve for x
x = 1,486,481,723,217.36/1,363,285.70 - Step 6: Final answer
x = 1,090,366.99
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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.