Finding the Fourth Proportional to 1,280,134.74, 1,766,639.61 and 736,270.68
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Solution
The fourth proportional to 1,280,134.74, 1,766,639.61 and 736,270.68 is: 1,016,084.41
Step by Step Solution
- Step 1: Write the proportion equation
1,280,134.74 : 1,766,639.61 = 736,270.68 : x - Step 2: Convert to fraction form
1,280,134.74/1,766,639.61 = 736,270.68/x - Step 3: Cross multiply
1,280,134.74x = 1,766,639.61 × 736,270.68 - Step 4: Simplify right side
1,280,134.74x = 1,300,724,946,969.64 - Step 5: Solve for x
x = 1,300,724,946,969.64/1,280,134.74 - Step 6: Final answer
x = 1,016,084.41
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.