Finding the Fourth Proportional to 1,212,995.36, 1,815,706.80 and 893,507.46
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Solution
The fourth proportional to 1,212,995.36, 1,815,706.80 and 893,507.46 is: 1,337,472.20
Step by Step Solution
- Step 1: Write the proportion equation
1,212,995.36 : 1,815,706.80 = 893,507.46 : x - Step 2: Convert to fraction form
1,212,995.36/1,815,706.80 = 893,507.46/x - Step 3: Cross multiply
1,212,995.36x = 1,815,706.80 × 893,507.46 - Step 4: Simplify right side
1,212,995.36x = 1,622,347,570,972.73 - Step 5: Solve for x
x = 1,622,347,570,972.73/1,212,995.36 - Step 6: Final answer
x = 1,337,472.20
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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.