Finding the Fourth Proportional to 1,489,511.28, 2,055,465.03 and 844,917.63
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Solution
The fourth proportional to 1,489,511.28, 2,055,465.03 and 844,917.63 is: 1,165,951.99
Step by Step Solution
- Step 1: Write the proportion equation
1,489,511.28 : 2,055,465.03 = 844,917.63 : x - Step 2: Convert to fraction form
1,489,511.28/2,055,465.03 = 844,917.63/x - Step 3: Cross multiply
1,489,511.28x = 2,055,465.03 × 844,917.63 - Step 4: Simplify right side
1,489,511.28x = 1,736,698,641,695.48 - Step 5: Solve for x
x = 1,736,698,641,695.48/1,489,511.28 - Step 6: Final answer
x = 1,165,951.99
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1.5x scale
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.