Finding the Fourth Proportional to 1,269,780.84, 1,752,292.74 and 696,830.52
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Solution
The fourth proportional to 1,269,780.84, 1,752,292.74 and 696,830.52 is: 961,623.47
Step by Step Solution
- Step 1: Write the proportion equation
1,269,780.84 : 1,752,292.74 = 696,830.52 : x - Step 2: Convert to fraction form
1,269,780.84/1,752,292.74 = 696,830.52/x - Step 3: Cross multiply
1,269,780.84x = 1,752,292.74 × 696,830.52 - Step 4: Simplify right side
1,269,780.84x = 1,221,051,061,206.42 - Step 5: Solve for x
x = 1,221,051,061,206.42/1,269,780.84 - Step 6: Final answer
x = 961,623.47
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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.