Finding the Fourth Proportional to 1,263,442.84, 1,743,547.26 and 690,483.05
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Solution
The fourth proportional to 1,263,442.84, 1,743,547.26 and 690,483.05 is: 952,864.50
Step by Step Solution
- Step 1: Write the proportion equation
1,263,442.84 : 1,743,547.26 = 690,483.05 : x - Step 2: Convert to fraction form
1,263,442.84/1,743,547.26 = 690,483.05/x - Step 3: Cross multiply
1,263,442.84x = 1,743,547.26 × 690,483.05 - Step 4: Simplify right side
1,263,442.84x = 1,203,889,829,903.94 - Step 5: Solve for x
x = 1,203,889,829,903.94/1,263,442.84 - Step 6: Final answer
x = 952,864.50
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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.