Finding the Fourth Proportional to 1,457,836.68, 2,011,809.04 and 813,256.36
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Solution
The fourth proportional to 1,457,836.68, 2,011,809.04 and 813,256.36 is: 1,122,290.66
Step by Step Solution
- Step 1: Write the proportion equation
1,457,836.68 : 2,011,809.04 = 813,256.36 : x - Step 2: Convert to fraction form
1,457,836.68/2,011,809.04 = 813,256.36/x - Step 3: Cross multiply
1,457,836.68x = 2,011,809.04 × 813,256.36 - Step 4: Simplify right side
1,457,836.68x = 1,636,116,496,885.49 - Step 5: Solve for x
x = 1,636,116,496,885.49/1,457,836.68 - Step 6: Final answer
x = 1,122,290.66
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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.