Finding the Fourth Proportional to 1,045,787.10, 1,566,347.85 and 859,163.10
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Solution
The fourth proportional to 1,045,787.10, 1,566,347.85 and 859,163.10 is: 1,286,828.15
Step by Step Solution
- Step 1: Write the proportion equation
1,045,787.10 : 1,566,347.85 = 859,163.10 : x - Step 2: Convert to fraction form
1,045,787.10/1,566,347.85 = 859,163.10/x - Step 3: Cross multiply
1,045,787.10x = 1,566,347.85 × 859,163.10 - Step 4: Simplify right side
1,045,787.10x = 1,345,748,274,484.34 - Step 5: Solve for x
x = 1,345,748,274,484.34/1,045,787.10 - Step 6: Final answer
x = 1,286,828.15
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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.