Finding the Fourth Proportional to 1,207,491.84, 1,666,376.24 and 663,617.74
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Solution
The fourth proportional to 1,207,491.84, 1,666,376.24 and 663,617.74 is: 915,813.09
Step by Step Solution
- Step 1: Write the proportion equation
1,207,491.84 : 1,666,376.24 = 663,617.74 : x - Step 2: Convert to fraction form
1,207,491.84/1,666,376.24 = 663,617.74/x - Step 3: Cross multiply
1,207,491.84x = 1,666,376.24 × 663,617.74 - Step 4: Simplify right side
1,207,491.84x = 1,105,836,834,378.50 - Step 5: Solve for x
x = 1,105,836,834,378.50/1,207,491.84 - Step 6: Final answer
x = 915,813.09
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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.