Finding the Fourth Proportional to 1,252,156.81, 1,727,976.36 and 708,280.96
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Solution
The fourth proportional to 1,252,156.81, 1,727,976.36 and 708,280.96 is: 977,427.70
Step by Step Solution
- Step 1: Write the proportion equation
1,252,156.81 : 1,727,976.36 = 708,280.96 : x - Step 2: Convert to fraction form
1,252,156.81/1,727,976.36 = 708,280.96/x - Step 3: Cross multiply
1,252,156.81x = 1,727,976.36 × 708,280.96 - Step 4: Simplify right side
1,252,156.81x = 1,223,892,755,118.11 - Step 5: Solve for x
x = 1,223,892,755,118.11/1,252,156.81 - Step 6: Final answer
x = 977,427.70
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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.