Finding the Fourth Proportional to 1,069,231.40, 1,604,256.70 and 1,052,437.80
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Solution
The fourth proportional to 1,069,231.40, 1,604,256.70 and 1,052,437.80 is: 1,579,059.87
Step by Step Solution
- Step 1: Write the proportion equation
1,069,231.40 : 1,604,256.70 = 1,052,437.80 : x - Step 2: Convert to fraction form
1,069,231.40/1,604,256.70 = 1,052,437.80/x - Step 3: Cross multiply
1,069,231.40x = 1,604,256.70 × 1,052,437.80 - Step 4: Simplify right side
1,069,231.40x = 1,688,380,391,983.26 - Step 5: Solve for x
x = 1,688,380,391,983.26/1,069,231.40 - Step 6: Final answer
x = 1,579,059.87
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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.