Finding the Fourth Proportional to 1,105,495.08, 1,656,871.92 and 785,136.12
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Solution
The fourth proportional to 1,105,495.08, 1,656,871.92 and 785,136.12 is: 1,176,730.69
Step by Step Solution
- Step 1: Write the proportion equation
1,105,495.08 : 1,656,871.92 = 785,136.12 : x - Step 2: Convert to fraction form
1,105,495.08/1,656,871.92 = 785,136.12/x - Step 3: Cross multiply
1,105,495.08x = 1,656,871.92 × 785,136.12 - Step 4: Simplify right side
1,105,495.08x = 1,300,869,990,605.75 - Step 5: Solve for x
x = 1,300,869,990,605.75/1,105,495.08 - Step 6: Final answer
x = 1,176,730.69
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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.