Finding the Fourth Proportional to 1,263,013.84, 1,742,868.12 and 689,932.36
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Solution
The fourth proportional to 1,263,013.84, 1,742,868.12 and 689,932.36 is: 952,056.96
Step by Step Solution
- Step 1: Write the proportion equation
1,263,013.84 : 1,742,868.12 = 689,932.36 : x - Step 2: Convert to fraction form
1,263,013.84/1,742,868.12 = 689,932.36/x - Step 3: Cross multiply
1,263,013.84x = 1,742,868.12 × 689,932.36 - Step 4: Simplify right side
1,263,013.84x = 1,202,461,115,200.36 - Step 5: Solve for x
x = 1,202,461,115,200.36/1,263,013.84 - Step 6: Final answer
x = 952,056.96
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.