Finding the Fourth Proportional to 1,156,378.08, 1,734,561.63 and 771,312.99
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Solution
The fourth proportional to 1,156,378.08, 1,734,561.63 and 771,312.99 is: 1,156,965.82
Step by Step Solution
- Step 1: Write the proportion equation
1,156,378.08 : 1,734,561.63 = 771,312.99 : x - Step 2: Convert to fraction form
1,156,378.08/1,734,561.63 = 771,312.99/x - Step 3: Cross multiply
1,156,378.08x = 1,734,561.63 × 771,312.99 - Step 4: Simplify right side
1,156,378.08x = 1,337,889,917,174.57 - Step 5: Solve for x
x = 1,337,889,917,174.57/1,156,378.08 - Step 6: Final answer
x = 1,156,965.82
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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.