Finding the Fourth Proportional to 1,434,844.58, 1,980,175.41 and 790,264.63
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Solution
The fourth proportional to 1,434,844.58, 1,980,175.41 and 790,264.63 is: 1,090,614.70
Step by Step Solution
- Step 1: Write the proportion equation
1,434,844.58 : 1,980,175.41 = 790,264.63 : x - Step 2: Convert to fraction form
1,434,844.58/1,980,175.41 = 790,264.63/x - Step 3: Cross multiply
1,434,844.58x = 1,980,175.41 × 790,264.63 - Step 4: Simplify right side
1,434,844.58x = 1,564,862,587,718.75 - Step 5: Solve for x
x = 1,564,862,587,718.75/1,434,844.58 - Step 6: Final answer
x = 1,090,614.70
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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.