Finding the Fourth Proportional to 1,434,775.68, 1,980,079.92 and 790,195.68
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Solution
The fourth proportional to 1,434,775.68, 1,980,079.92 and 790,195.68 is: 1,090,519.32
Step by Step Solution
- Step 1: Write the proportion equation
1,434,775.68 : 1,980,079.92 = 790,195.68 : x - Step 2: Convert to fraction form
1,434,775.68/1,980,079.92 = 790,195.68/x - Step 3: Cross multiply
1,434,775.68x = 1,980,079.92 × 790,195.68 - Step 4: Simplify right side
1,434,775.68x = 1,564,650,598,838.75 - Step 5: Solve for x
x = 1,564,650,598,838.75/1,434,775.68 - Step 6: Final answer
x = 1,090,519.32
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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.