Finding the Fourth Proportional to 1,266,768.68, 1,748,107.32 and 722,894.72
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Solution
The fourth proportional to 1,266,768.68, 1,748,107.32 and 722,894.72 is: 997,575.62
Step by Step Solution
- Step 1: Write the proportion equation
1,266,768.68 : 1,748,107.32 = 722,894.72 : x - Step 2: Convert to fraction form
1,266,768.68/1,748,107.32 = 722,894.72/x - Step 3: Cross multiply
1,266,768.68x = 1,748,107.32 × 722,894.72 - Step 4: Simplify right side
1,266,768.68x = 1,263,697,551,621.35 - Step 5: Solve for x
x = 1,263,697,551,621.35/1,266,768.68 - Step 6: Final answer
x = 997,575.62
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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.