Finding the Fourth Proportional to 1,246,962.84, 1,720,807.69 and 674,003.01
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Solution
The fourth proportional to 1,246,962.84, 1,720,807.69 and 674,003.01 is: 930,123.60
Step by Step Solution
- Step 1: Write the proportion equation
1,246,962.84 : 1,720,807.69 = 674,003.01 : x - Step 2: Convert to fraction form
1,246,962.84/1,720,807.69 = 674,003.01/x - Step 3: Cross multiply
1,246,962.84x = 1,720,807.69 × 674,003.01 - Step 4: Simplify right side
1,246,962.84x = 1,159,829,561,006.14 - Step 5: Solve for x
x = 1,159,829,561,006.14/1,246,962.84 - Step 6: Final answer
x = 930,123.60
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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.