Finding the Fourth Proportional to 1,145,495.67, 1,580,691.28 and 662,091.99
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Solution
The fourth proportional to 1,145,495.67, 1,580,691.28 and 662,091.99 is: 913,633.34
Step by Step Solution
- Step 1: Write the proportion equation
1,145,495.67 : 1,580,691.28 = 662,091.99 : x - Step 2: Convert to fraction form
1,145,495.67/1,580,691.28 = 662,091.99/x - Step 3: Cross multiply
1,145,495.67x = 1,580,691.28 × 662,091.99 - Step 4: Simplify right side
1,145,495.67x = 1,046,563,035,150.85 - Step 5: Solve for x
x = 1,046,563,035,150.85/1,145,495.67 - Step 6: Final answer
x = 913,633.34
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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.