Finding the Fourth Proportional to 1,048,811.70, 1,569,280.95 and 694,517.70
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Solution
The fourth proportional to 1,048,811.70, 1,569,280.95 and 694,517.70 is: 1,039,169.75
Step by Step Solution
- Step 1: Write the proportion equation
1,048,811.70 : 1,569,280.95 = 694,517.70 : x - Step 2: Convert to fraction form
1,048,811.70/1,569,280.95 = 694,517.70/x - Step 3: Cross multiply
1,048,811.70x = 1,569,280.95 × 694,517.70 - Step 4: Simplify right side
1,048,811.70x = 1,089,893,396,047.82 - Step 5: Solve for x
x = 1,089,893,396,047.82/1,048,811.70 - Step 6: Final answer
x = 1,039,169.75
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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.