Finding the Fourth Proportional to 1,248,302.20, 1,871,359.80 and 847,643.80
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Solution
The fourth proportional to 1,248,302.20, 1,871,359.80 and 847,643.80 is: 1,270,723.17
Step by Step Solution
- Step 1: Write the proportion equation
1,248,302.20 : 1,871,359.80 = 847,643.80 : x - Step 2: Convert to fraction form
1,248,302.20/1,871,359.80 = 847,643.80/x - Step 3: Cross multiply
1,248,302.20x = 1,871,359.80 × 847,643.80 - Step 4: Simplify right side
1,248,302.20x = 1,586,246,532,039.24 - Step 5: Solve for x
x = 1,586,246,532,039.24/1,248,302.20 - Step 6: Final answer
x = 1,270,723.17
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.