Finding the Fourth Proportional to 1,159,939.69, 1,600,734.18 and 643,727.02
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Solution
The fourth proportional to 1,159,939.69, 1,600,734.18 and 643,727.02 is: 888,352.95
Step by Step Solution
- Step 1: Write the proportion equation
1,159,939.69 : 1,600,734.18 = 643,727.02 : x - Step 2: Convert to fraction form
1,159,939.69/1,600,734.18 = 643,727.02/x - Step 3: Cross multiply
1,159,939.69x = 1,600,734.18 × 643,727.02 - Step 4: Simplify right side
1,159,939.69x = 1,030,435,843,503.54 - Step 5: Solve for x
x = 1,030,435,843,503.54/1,159,939.69 - Step 6: Final answer
x = 888,352.95
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.