Finding the Fourth Proportional to 1,132,919.08, 1,562,631.94 and 745,611.08
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Solution
The fourth proportional to 1,132,919.08, 1,562,631.94 and 745,611.08 is: 1,028,419.16
Step by Step Solution
- Step 1: Write the proportion equation
1,132,919.08 : 1,562,631.94 = 745,611.08 : x - Step 2: Convert to fraction form
1,132,919.08/1,562,631.94 = 745,611.08/x - Step 3: Cross multiply
1,132,919.08x = 1,562,631.94 × 745,611.08 - Step 4: Simplify right side
1,132,919.08x = 1,165,115,688,425.90 - Step 5: Solve for x
x = 1,165,115,688,425.90/1,132,919.08 - Step 6: Final answer
x = 1,028,419.16
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.