Finding the Fourth Proportional to 1,247,941.68, 1,722,153.89 and 674,980.49
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Solution
The fourth proportional to 1,247,941.68, 1,722,153.89 and 674,980.49 is: 931,470.02
Step by Step Solution
- Step 1: Write the proportion equation
1,247,941.68 : 1,722,153.89 = 674,980.49 : x - Step 2: Convert to fraction form
1,247,941.68/1,722,153.89 = 674,980.49/x - Step 3: Cross multiply
1,247,941.68x = 1,722,153.89 × 674,980.49 - Step 4: Simplify right side
1,247,941.68x = 1,162,420,264,541.93 - Step 5: Solve for x
x = 1,162,420,264,541.93/1,247,941.68 - Step 6: Final answer
x = 931,470.02
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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.