Finding the Fourth Proportional to 1,243,312.79, 1,714,853.25 and 856,251.14
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Solution
The fourth proportional to 1,243,312.79, 1,714,853.25 and 856,251.14 is: 1,180,994.08
Step by Step Solution
- Step 1: Write the proportion equation
1,243,312.79 : 1,714,853.25 = 856,251.14 : x - Step 2: Convert to fraction form
1,243,312.79/1,714,853.25 = 856,251.14/x - Step 3: Cross multiply
1,243,312.79x = 1,714,853.25 × 856,251.14 - Step 4: Simplify right side
1,243,312.79x = 1,468,345,041,670.94 - Step 5: Solve for x
x = 1,468,345,041,670.94/1,243,312.79 - Step 6: Final answer
x = 1,180,994.08
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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.