Finding the Fourth Proportional to 1,153,340.19, 1,730,380.46 and 554,344.79
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Solution
The fourth proportional to 1,153,340.19, 1,730,380.46 and 554,344.79 is: 831,695.10
Step by Step Solution
- Step 1: Write the proportion equation
1,153,340.19 : 1,730,380.46 = 554,344.79 : x - Step 2: Convert to fraction form
1,153,340.19/1,730,380.46 = 554,344.79/x - Step 3: Cross multiply
1,153,340.19x = 1,730,380.46 × 554,344.79 - Step 4: Simplify right side
1,153,340.19x = 959,227,381,295.18 - Step 5: Solve for x
x = 959,227,381,295.18/1,153,340.19 - Step 6: Final answer
x = 831,695.10
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.