Finding the Fourth Proportional to 1,423,302.01, 1,963,962.79 and 850,220.53
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Solution
The fourth proportional to 1,423,302.01, 1,963,962.79 and 850,220.53 is: 1,173,188.45
Step by Step Solution
- Step 1: Write the proportion equation
1,423,302.01 : 1,963,962.79 = 850,220.53 : x - Step 2: Convert to fraction form
1,423,302.01/1,963,962.79 = 850,220.53/x - Step 3: Cross multiply
1,423,302.01x = 1,963,962.79 × 850,220.53 - Step 4: Simplify right side
1,423,302.01x = 1,669,801,484,214.08 - Step 5: Solve for x
x = 1,669,801,484,214.08/1,423,302.01 - Step 6: Final answer
x = 1,173,188.45
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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.