Finding the Fourth Proportional to 1,281,044.50, 1,767,877.14 and 708,121.52
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Solution
The fourth proportional to 1,281,044.50, 1,767,877.14 and 708,121.52 is: 977,227.45
Step by Step Solution
- Step 1: Write the proportion equation
1,281,044.50 : 1,767,877.14 = 708,121.52 : x - Step 2: Convert to fraction form
1,281,044.50/1,767,877.14 = 708,121.52/x - Step 3: Cross multiply
1,281,044.50x = 1,767,877.14 × 708,121.52 - Step 4: Simplify right side
1,281,044.50x = 1,251,871,847,550.05 - Step 5: Solve for x
x = 1,251,871,847,550.05/1,281,044.50 - Step 6: Final answer
x = 977,227.45
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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.