Finding the Fourth Proportional to 1,145,472.54, 1,580,659.61 and 662,068.99
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Solution
The fourth proportional to 1,145,472.54, 1,580,659.61 and 662,068.99 is: 913,601.75
Step by Step Solution
- Step 1: Write the proportion equation
1,145,472.54 : 1,580,659.61 = 662,068.99 : x - Step 2: Convert to fraction form
1,145,472.54/1,580,659.61 = 662,068.99/x - Step 3: Cross multiply
1,145,472.54x = 1,580,659.61 × 662,068.99 - Step 4: Simplify right side
1,145,472.54x = 1,046,505,711,526.49 - Step 5: Solve for x
x = 1,046,505,711,526.49/1,145,472.54 - Step 6: Final answer
x = 913,601.75
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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.