Finding the Fourth Proportional to 1,072,430.10, 1,609,228.35 and 441,407.70
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Solution
The fourth proportional to 1,072,430.10, 1,609,228.35 and 441,407.70 is: 662,351.59
Step by Step Solution
- Step 1: Write the proportion equation
1,072,430.10 : 1,609,228.35 = 441,407.70 : x - Step 2: Convert to fraction form
1,072,430.10/1,609,228.35 = 441,407.70/x - Step 3: Cross multiply
1,072,430.10x = 1,609,228.35 × 441,407.70 - Step 4: Simplify right side
1,072,430.10x = 710,325,784,748.30 - Step 5: Solve for x
x = 710,325,784,748.30/1,072,430.10 - Step 6: Final answer
x = 662,351.59
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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.