Finding the Fourth Proportional to 1,325,890.08, 1,829,740.32 and 722,278.08
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Solution
The fourth proportional to 1,325,890.08, 1,829,740.32 and 722,278.08 is: 996,750.29
Step by Step Solution
- Step 1: Write the proportion equation
1,325,890.08 : 1,829,740.32 = 722,278.08 : x - Step 2: Convert to fraction form
1,325,890.08/1,829,740.32 = 722,278.08/x - Step 3: Cross multiply
1,325,890.08x = 1,829,740.32 × 722,278.08 - Step 4: Simplify right side
1,325,890.08x = 1,321,581,325,228.19 - Step 5: Solve for x
x = 1,321,581,325,228.19/1,325,890.08 - Step 6: Final answer
x = 996,750.29
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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.