Finding the Fourth Proportional to 1,273,262.29, 1,910,129.14 and 420,393.34
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Solution
The fourth proportional to 1,273,262.29, 1,910,129.14 and 420,393.34 is: 630,667.84
Step by Step Solution
- Step 1: Write the proportion equation
1,273,262.29 : 1,910,129.14 = 420,393.34 : x - Step 2: Convert to fraction form
1,273,262.29/1,910,129.14 = 420,393.34/x - Step 3: Cross multiply
1,273,262.29x = 1,910,129.14 × 420,393.34 - Step 4: Simplify right side
1,273,262.29x = 803,005,571,909.08 - Step 5: Solve for x
x = 803,005,571,909.08/1,273,262.29 - Step 6: Final answer
x = 630,667.84
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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.