Finding the Fourth Proportional to 1,247,804.24, 1,721,970.99 and 674,844.41
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Solution
The fourth proportional to 1,247,804.24, 1,721,970.99 and 674,844.41 is: 931,285.90
Step by Step Solution
- Step 1: Write the proportion equation
1,247,804.24 : 1,721,970.99 = 674,844.41 : x - Step 2: Convert to fraction form
1,247,804.24/1,721,970.99 = 674,844.41/x - Step 3: Cross multiply
1,247,804.24x = 1,721,970.99 × 674,844.41 - Step 4: Simplify right side
1,247,804.24x = 1,162,062,496,783.67 - Step 5: Solve for x
x = 1,162,062,496,783.67/1,247,804.24 - Step 6: Final answer
x = 931,285.90
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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.