Finding the Fourth Proportional to 1,129,011.12, 1,694,385.41 and 656,028.63
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Solution
The fourth proportional to 1,129,011.12, 1,694,385.41 and 656,028.63 is: 984,547.73
Step by Step Solution
- Step 1: Write the proportion equation
1,129,011.12 : 1,694,385.41 = 656,028.63 : x - Step 2: Convert to fraction form
1,129,011.12/1,694,385.41 = 656,028.63/x - Step 3: Cross multiply
1,129,011.12x = 1,694,385.41 × 656,028.63 - Step 4: Simplify right side
1,129,011.12x = 1,111,565,335,934.15 - Step 5: Solve for x
x = 1,111,565,335,934.15/1,129,011.12 - Step 6: Final answer
x = 984,547.73
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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.