Finding the Fourth Proportional to 1,132,905.58, 1,563,226.77 and 649,381.75
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Solution
The fourth proportional to 1,132,905.58, 1,563,226.77 and 649,381.75 is: 896,041.96
Step by Step Solution
- Step 1: Write the proportion equation
1,132,905.58 : 1,563,226.77 = 649,381.75 : x - Step 2: Convert to fraction form
1,132,905.58/1,563,226.77 = 649,381.75/x - Step 3: Cross multiply
1,132,905.58x = 1,563,226.77 × 649,381.75 - Step 4: Simplify right side
1,132,905.58x = 1,015,130,935,549.45 - Step 5: Solve for x
x = 1,015,130,935,549.45/1,132,905.58 - Step 6: Final answer
x = 896,041.96
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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.