Finding the Fourth Proportional to 1,273,204.98, 1,909,402.35 and 420,117.60
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Solution
The fourth proportional to 1,273,204.98, 1,909,402.35 and 420,117.60 is: 630,042.72
Step by Step Solution
- Step 1: Write the proportion equation
1,273,204.98 : 1,909,402.35 = 420,117.60 : x - Step 2: Convert to fraction form
1,273,204.98/1,909,402.35 = 420,117.60/x - Step 3: Cross multiply
1,273,204.98x = 1,909,402.35 × 420,117.60 - Step 4: Simplify right side
1,273,204.98x = 802,173,532,716.36 - Step 5: Solve for x
x = 802,173,532,716.36/1,273,204.98 - Step 6: Final answer
x = 630,042.72
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.