Finding the Fourth Proportional to 1,247,822.24, 1,721,994.69 and 674,862.41
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Solution
The fourth proportional to 1,247,822.24, 1,721,994.69 and 674,862.41 is: 931,310.12
Step by Step Solution
- Step 1: Write the proportion equation
1,247,822.24 : 1,721,994.69 = 674,862.41 : x - Step 2: Convert to fraction form
1,247,822.24/1,721,994.69 = 674,862.41/x - Step 3: Cross multiply
1,247,822.24x = 1,721,994.69 × 674,862.41 - Step 4: Simplify right side
1,247,822.24x = 1,162,109,483,126.29 - Step 5: Solve for x
x = 1,162,109,483,126.29/1,247,822.24 - Step 6: Final answer
x = 931,310.12
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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.