Finding the Fourth Proportional to 1,372,213.84, 1,894,579.20 and 856,752.52
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Solution
The fourth proportional to 1,372,213.84, 1,894,579.20 and 856,752.52 is: 1,182,895.45
Step by Step Solution
- Step 1: Write the proportion equation
1,372,213.84 : 1,894,579.20 = 856,752.52 : x - Step 2: Convert to fraction form
1,372,213.84/1,894,579.20 = 856,752.52/x - Step 3: Cross multiply
1,372,213.84x = 1,894,579.20 × 856,752.52 - Step 4: Simplify right side
1,372,213.84x = 1,623,185,503,939.58 - Step 5: Solve for x
x = 1,623,185,503,939.58/1,372,213.84 - Step 6: Final answer
x = 1,182,895.45
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.