Finding the Fourth Proportional to 1,332,700.49, 1,999,049.18 and 434,140.79
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Solution
The fourth proportional to 1,332,700.49, 1,999,049.18 and 434,140.79 is: 651,210.67
Step by Step Solution
- Step 1: Write the proportion equation
1,332,700.49 : 1,999,049.18 = 434,140.79 : x - Step 2: Convert to fraction form
1,332,700.49/1,999,049.18 = 434,140.79/x - Step 3: Cross multiply
1,332,700.49x = 1,999,049.18 × 434,140.79 - Step 4: Simplify right side
1,332,700.49x = 867,868,778,088.10 - Step 5: Solve for x
x = 867,868,778,088.10/1,332,700.49 - Step 6: Final answer
x = 651,210.67
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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.