Finding the Fourth Proportional to 1,543,159.20, 2,316,232.80 and 745,000.80
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Solution
The fourth proportional to 1,543,159.20, 2,316,232.80 and 745,000.80 is: 1,118,222.47
Step by Step Solution
- Step 1: Write the proportion equation
1,543,159.20 : 2,316,232.80 = 745,000.80 : x - Step 2: Convert to fraction form
1,543,159.20/2,316,232.80 = 745,000.80/x - Step 3: Cross multiply
1,543,159.20x = 2,316,232.80 × 745,000.80 - Step 4: Simplify right side
1,543,159.20x = 1,725,595,288,986.24 - Step 5: Solve for x
x = 1,725,595,288,986.24/1,543,159.20 - Step 6: Final answer
x = 1,118,222.47
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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.