Finding the Fourth Proportional to 1,332,685.71, 1,999,026.95 and 434,125.98
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Solution
The fourth proportional to 1,332,685.71, 1,999,026.95 and 434,125.98 is: 651,188.44
Step by Step Solution
- Step 1: Write the proportion equation
1,332,685.71 : 1,999,026.95 = 434,125.98 : x - Step 2: Convert to fraction form
1,332,685.71/1,999,026.95 = 434,125.98/x - Step 3: Cross multiply
1,332,685.71x = 1,999,026.95 × 434,125.98 - Step 4: Simplify right side
1,332,685.71x = 867,829,531,544.53 - Step 5: Solve for x
x = 867,829,531,544.53/1,332,685.71 - Step 6: Final answer
x = 651,188.44
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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.