Finding the Fourth Proportional to 1,113,368.36, 1,672,016.70 and 829,136.12
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Solution
The fourth proportional to 1,113,368.36, 1,672,016.70 and 829,136.12 is: 1,245,166.91
Step by Step Solution
- Step 1: Write the proportion equation
1,113,368.36 : 1,672,016.70 = 829,136.12 : x - Step 2: Convert to fraction form
1,113,368.36/1,672,016.70 = 829,136.12/x - Step 3: Cross multiply
1,113,368.36x = 1,672,016.70 × 829,136.12 - Step 4: Simplify right side
1,113,368.36x = 1,386,329,439,213.20 - Step 5: Solve for x
x = 1,386,329,439,213.20/1,113,368.36 - Step 6: Final answer
x = 1,245,166.91
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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.