Finding the Fourth Proportional to 1,264,871.12, 1,894,266.56 and 723,486.12
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Solution
The fourth proportional to 1,264,871.12, 1,894,266.56 and 723,486.12 is: 1,083,490.28
Step by Step Solution
- Step 1: Write the proportion equation
1,264,871.12 : 1,894,266.56 = 723,486.12 : x - Step 2: Convert to fraction form
1,264,871.12/1,894,266.56 = 723,486.12/x - Step 3: Cross multiply
1,264,871.12x = 1,894,266.56 × 723,486.12 - Step 4: Simplify right side
1,264,871.12x = 1,370,475,563,740.15 - Step 5: Solve for x
x = 1,370,475,563,740.15/1,264,871.12 - Step 6: Final answer
x = 1,083,490.28
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.