Finding the Fourth Proportional to 1,074,898.08, 1,612,624.12 and 771,643.80
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Solution
The fourth proportional to 1,074,898.08, 1,612,624.12 and 771,643.80 is: 1,157,664.55
Step by Step Solution
- Step 1: Write the proportion equation
1,074,898.08 : 1,612,624.12 = 771,643.80 : x - Step 2: Convert to fraction form
1,074,898.08/1,612,624.12 = 771,643.80/x - Step 3: Cross multiply
1,074,898.08x = 1,612,624.12 × 771,643.80 - Step 4: Simplify right side
1,074,898.08x = 1,244,371,403,928.46 - Step 5: Solve for x
x = 1,244,371,403,928.46/1,074,898.08 - Step 6: Final answer
x = 1,157,664.55
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.