Finding the Fourth Proportional to 1,045,206.10, 1,567,420.35 and 413,989.30
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Solution
The fourth proportional to 1,045,206.10, 1,567,420.35 and 413,989.30 is: 620,829.95
Step by Step Solution
- Step 1: Write the proportion equation
1,045,206.10 : 1,567,420.35 = 413,989.30 : x - Step 2: Convert to fraction form
1,045,206.10/1,567,420.35 = 413,989.30/x - Step 3: Cross multiply
1,045,206.10x = 1,567,420.35 × 413,989.30 - Step 4: Simplify right side
1,045,206.10x = 648,895,253,502.26 - Step 5: Solve for x
x = 648,895,253,502.26/1,045,206.10 - Step 6: Final answer
x = 620,829.95
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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.