Finding the Fourth Proportional to 1,178,271.40, 1,763,324.70 and 705,296.20
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Solution
The fourth proportional to 1,178,271.40, 1,763,324.70 and 705,296.20 is: 1,055,500.63
Step by Step Solution
- Step 1: Write the proportion equation
1,178,271.40 : 1,763,324.70 = 705,296.20 : x - Step 2: Convert to fraction form
1,178,271.40/1,763,324.70 = 705,296.20/x - Step 3: Cross multiply
1,178,271.40x = 1,763,324.70 × 705,296.20 - Step 4: Simplify right side
1,178,271.40x = 1,243,666,210,276.14 - Step 5: Solve for x
x = 1,243,666,210,276.14/1,178,271.40 - Step 6: Final answer
x = 1,055,500.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.