Finding the Fourth Proportional to 1,434,977.36, 1,980,358.68 and 790,397.36
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Solution
The fourth proportional to 1,434,977.36, 1,980,358.68 and 790,397.36 is: 1,090,797.89
Step by Step Solution
- Step 1: Write the proportion equation
1,434,977.36 : 1,980,358.68 = 790,397.36 : x - Step 2: Convert to fraction form
1,434,977.36/1,980,358.68 = 790,397.36/x - Step 3: Cross multiply
1,434,977.36x = 1,980,358.68 × 790,397.36 - Step 4: Simplify right side
1,434,977.36x = 1,565,270,272,525.08 - Step 5: Solve for x
x = 1,565,270,272,525.08/1,434,977.36 - Step 6: Final answer
x = 1,090,797.89
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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.