Finding the Fourth Proportional to 1,416,267.93, 1,954,449.99 and 771,688.20
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Solution
The fourth proportional to 1,416,267.93, 1,954,449.99 and 771,688.20 is: 1,064,929.85
Step by Step Solution
- Step 1: Write the proportion equation
1,416,267.93 : 1,954,449.99 = 771,688.20 : x - Step 2: Convert to fraction form
1,416,267.93/1,954,449.99 = 771,688.20/x - Step 3: Cross multiply
1,416,267.93x = 1,954,449.99 × 771,688.20 - Step 4: Simplify right side
1,416,267.93x = 1,508,225,994,773.12 - Step 5: Solve for x
x = 1,508,225,994,773.12/1,416,267.93 - Step 6: Final answer
x = 1,064,929.85
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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.