Finding the Fourth Proportional to 1,296,422.70, 1,939,968.45 and 876,518.70
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Solution
The fourth proportional to 1,296,422.70, 1,939,968.45 and 876,518.70 is: 1,311,623.61
Step by Step Solution
- Step 1: Write the proportion equation
1,296,422.70 : 1,939,968.45 = 876,518.70 : x - Step 2: Convert to fraction form
1,296,422.70/1,939,968.45 = 876,518.70/x - Step 3: Cross multiply
1,296,422.70x = 1,939,968.45 × 876,518.70 - Step 4: Simplify right side
1,296,422.70x = 1,700,418,623,835.02 - Step 5: Solve for x
x = 1,700,418,623,835.02/1,296,422.70 - Step 6: Final answer
x = 1,311,623.61
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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.