Finding the Fourth Proportional to 1,220,149.55, 1,683,907.14 and 676,455.88
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Solution
The fourth proportional to 1,220,149.55, 1,683,907.14 and 676,455.88 is: 933,564.98
Step by Step Solution
- Step 1: Write the proportion equation
1,220,149.55 : 1,683,907.14 = 676,455.88 : x - Step 2: Convert to fraction form
1,220,149.55/1,683,907.14 = 676,455.88/x - Step 3: Cross multiply
1,220,149.55x = 1,683,907.14 × 676,455.88 - Step 4: Simplify right side
1,220,149.55x = 1,139,088,882,017.22 - Step 5: Solve for x
x = 1,139,088,882,017.22/1,220,149.55 - Step 6: Final answer
x = 933,564.98
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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.