Finding the Fourth Proportional to 1,148,079.68, 1,583,452.32 and 745,801.28
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Solution
The fourth proportional to 1,148,079.68, 1,583,452.32 and 745,801.28 is: 1,028,622.65
Step by Step Solution
- Step 1: Write the proportion equation
1,148,079.68 : 1,583,452.32 = 745,801.28 : x - Step 2: Convert to fraction form
1,148,079.68/1,583,452.32 = 745,801.28/x - Step 3: Cross multiply
1,148,079.68x = 1,583,452.32 × 745,801.28 - Step 4: Simplify right side
1,148,079.68x = 1,180,940,767,074.97 - Step 5: Solve for x
x = 1,180,940,767,074.97/1,148,079.68 - Step 6: Final answer
x = 1,028,622.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.