Finding the Fourth Proportional to 1,332,678.71, 1,999,016.51 and 434,118.99
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Solution
The fourth proportional to 1,332,678.71, 1,999,016.51 and 434,118.99 is: 651,177.98
Step by Step Solution
- Step 1: Write the proportion equation
1,332,678.71 : 1,999,016.51 = 434,118.99 : x - Step 2: Convert to fraction form
1,332,678.71/1,999,016.51 = 434,118.99/x - Step 3: Cross multiply
1,332,678.71x = 1,999,016.51 × 434,118.99 - Step 4: Simplify right side
1,332,678.71x = 867,811,026,143.93 - Step 5: Solve for x
x = 867,811,026,143.93/1,332,678.71 - Step 6: Final answer
x = 651,177.98
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.