Finding the Fourth Proportional to 1,246,578.60, 1,869,965.10 and 536,629.80
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Solution
The fourth proportional to 1,246,578.60, 1,869,965.10 and 536,629.80 is: 804,986.54
Step by Step Solution
- Step 1: Write the proportion equation
1,246,578.60 : 1,869,965.10 = 536,629.80 : x - Step 2: Convert to fraction form
1,246,578.60/1,869,965.10 = 536,629.80/x - Step 3: Cross multiply
1,246,578.60x = 1,869,965.10 × 536,629.80 - Step 4: Simplify right side
1,246,578.60x = 1,003,478,997,619.98 - Step 5: Solve for x
x = 1,003,478,997,619.98/1,246,578.60 - Step 6: Final answer
x = 804,986.54
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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.