Finding the Fourth Proportional to 1,283,368.80, 1,926,435.60 and 723,496.80
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Solution
The fourth proportional to 1,283,368.80, 1,926,435.60 and 723,496.80 is: 1,086,024.53
Step by Step Solution
- Step 1: Write the proportion equation
1,283,368.80 : 1,926,435.60 = 723,496.80 : x - Step 2: Convert to fraction form
1,283,368.80/1,926,435.60 = 723,496.80/x - Step 3: Cross multiply
1,283,368.80x = 1,926,435.60 × 723,496.80 - Step 4: Simplify right side
1,283,368.80x = 1,393,769,992,006.08 - Step 5: Solve for x
x = 1,393,769,992,006.08/1,283,368.80 - Step 6: Final answer
x = 1,086,024.53
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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.