Finding the Fourth Proportional to 1,027,117.95, 1,541,214.18 and 420,356.67
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Solution
The fourth proportional to 1,027,117.95, 1,541,214.18 and 420,356.67 is: 630,754.88
Step by Step Solution
- Step 1: Write the proportion equation
1,027,117.95 : 1,541,214.18 = 420,356.67 : x - Step 2: Convert to fraction form
1,027,117.95/1,541,214.18 = 420,356.67/x - Step 3: Cross multiply
1,027,117.95x = 1,541,214.18 × 420,356.67 - Step 4: Simplify right side
1,027,117.95x = 647,859,660,461.58 - Step 5: Solve for x
x = 647,859,660,461.58/1,027,117.95 - Step 6: Final answer
x = 630,754.88
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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.