Finding the Fourth Proportional to 1,263,010.84, 1,742,863.98 and 689,929.36
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Solution
The fourth proportional to 1,263,010.84, 1,742,863.98 and 689,929.36 is: 952,052.82
Step by Step Solution
- Step 1: Write the proportion equation
1,263,010.84 : 1,742,863.98 = 689,929.36 : x - Step 2: Convert to fraction form
1,263,010.84/1,742,863.98 = 689,929.36/x - Step 3: Cross multiply
1,263,010.84x = 1,742,863.98 × 689,929.36 - Step 4: Simplify right side
1,263,010.84x = 1,202,453,030,288.45 - Step 5: Solve for x
x = 1,202,453,030,288.45/1,263,010.84 - Step 6: Final answer
x = 952,052.82
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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.