Finding the Fourth Proportional to 1,069,936.84, 1,603,126.50 and 753,725.80
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Solution
The fourth proportional to 1,069,936.84, 1,603,126.50 and 753,725.80 is: 1,129,335.64
Step by Step Solution
- Step 1: Write the proportion equation
1,069,936.84 : 1,603,126.50 = 753,725.80 : x - Step 2: Convert to fraction form
1,069,936.84/1,603,126.50 = 753,725.80/x - Step 3: Cross multiply
1,069,936.84x = 1,603,126.50 × 753,725.80 - Step 4: Simplify right side
1,069,936.84x = 1,208,317,803,713.70 - Step 5: Solve for x
x = 1,208,317,803,713.70/1,069,936.84 - Step 6: Final answer
x = 1,129,335.64
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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.