Finding the Fourth Proportional to 1,319,977.96, 1,979,649.74 and 609,323.40
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Solution
The fourth proportional to 1,319,977.96, 1,979,649.74 and 609,323.40 is: 913,838.68
Step by Step Solution
- Step 1: Write the proportion equation
1,319,977.96 : 1,979,649.74 = 609,323.40 : x - Step 2: Convert to fraction form
1,319,977.96/1,979,649.74 = 609,323.40/x - Step 3: Cross multiply
1,319,977.96x = 1,979,649.74 × 609,323.40 - Step 4: Simplify right side
1,319,977.96x = 1,206,246,910,385.92 - Step 5: Solve for x
x = 1,206,246,910,385.92/1,319,977.96 - Step 6: Final answer
x = 913,838.68
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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.