Finding the Fourth Proportional to 1,222,913.70, 1,687,652.55 and 679,072.41
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Solution
The fourth proportional to 1,222,913.70, 1,687,652.55 and 679,072.41 is: 937,137.50
Step by Step Solution
- Step 1: Write the proportion equation
1,222,913.70 : 1,687,652.55 = 679,072.41 : x - Step 2: Convert to fraction form
1,222,913.70/1,687,652.55 = 679,072.41/x - Step 3: Cross multiply
1,222,913.70x = 1,687,652.55 × 679,072.41 - Step 4: Simplify right side
1,222,913.70x = 1,146,038,284,371.15 - Step 5: Solve for x
x = 1,146,038,284,371.15/1,222,913.70 - Step 6: Final answer
x = 937,137.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.