Finding the Fourth Proportional to 1,103,072.10, 1,652,858.55 and 728,657.70
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Solution
The fourth proportional to 1,103,072.10, 1,652,858.55 and 728,657.70 is: 1,091,830.81
Step by Step Solution
- Step 1: Write the proportion equation
1,103,072.10 : 1,652,858.55 = 728,657.70 : x - Step 2: Convert to fraction form
1,103,072.10/1,652,858.55 = 728,657.70/x - Step 3: Cross multiply
1,103,072.10x = 1,652,858.55 × 728,657.70 - Step 4: Simplify right side
1,103,072.10x = 1,204,368,109,468.34 - Step 5: Solve for x
x = 1,204,368,109,468.34/1,103,072.10 - Step 6: Final answer
x = 1,091,830.81
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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.