Finding the Fourth Proportional to 1,122,684.84, 1,685,226.06 and 483,305.04
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Solution
The fourth proportional to 1,122,684.84, 1,685,226.06 and 483,305.04 is: 725,473.63
Step by Step Solution
- Step 1: Write the proportion equation
1,122,684.84 : 1,685,226.06 = 483,305.04 : x - Step 2: Convert to fraction form
1,122,684.84/1,685,226.06 = 483,305.04/x - Step 3: Cross multiply
1,122,684.84x = 1,685,226.06 × 483,305.04 - Step 4: Simplify right side
1,122,684.84x = 814,478,248,337.34 - Step 5: Solve for x
x = 814,478,248,337.34/1,122,684.84 - Step 6: Final answer
x = 725,473.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.