Finding the Fourth Proportional to 1,197,689.84, 1,652,655.12 and 714,311.72
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Solution
The fourth proportional to 1,197,689.84, 1,652,655.12 and 714,311.72 is: 985,656.62
Step by Step Solution
- Step 1: Write the proportion equation
1,197,689.84 : 1,652,655.12 = 714,311.72 : x - Step 2: Convert to fraction form
1,197,689.84/1,652,655.12 = 714,311.72/x - Step 3: Cross multiply
1,197,689.84x = 1,652,655.12 × 714,311.72 - Step 4: Simplify right side
1,197,689.84x = 1,180,510,921,334.01 - Step 5: Solve for x
x = 1,180,510,921,334.01/1,197,689.84 - Step 6: Final answer
x = 985,656.62
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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.