Finding the Fourth Proportional to 1,178,765.94, 1,768,161.26 and 943,603.50
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Solution
The fourth proportional to 1,178,765.94, 1,768,161.26 and 943,603.50 is: 1,415,415.14
Step by Step Solution
- Step 1: Write the proportion equation
1,178,765.94 : 1,768,161.26 = 943,603.50 : x - Step 2: Convert to fraction form
1,178,765.94/1,768,161.26 = 943,603.50/x - Step 3: Cross multiply
1,178,765.94x = 1,768,161.26 × 943,603.50 - Step 4: Simplify right side
1,178,765.94x = 1,668,443,153,500.41 - Step 5: Solve for x
x = 1,668,443,153,500.41/1,178,765.94 - Step 6: Final answer
x = 1,415,415.14
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.